yoyo808

@yoyo808

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December 8, 2023

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Questions (159)

which two statements below are TRUE? Choose 2 correct answers.a As the temperature increases, the solubility of gases increase.
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3. 83 views
Column A1. Adding more solvent, will __________________ the concentration. 2. Adding more solute will __________ the
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3. 76 views
Column A1. Adding more solvent, will __________________ the concentration. : Adding more solvent, will __________________ the
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3. 63 views
How are water molecules able to weakly bond to one another with hydrogen bonds?a The hydrogen and oxygen poles have slight
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Salt is dissolved into a water solvent. Can the salt be extracted, and will it retain its properties?a Yes, it can be extracted
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Which statement best describes what is happening when sugar dissolves in water?a Sugar stays together, but in a liquid form that
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what statement is TRUE about the solubility of carbon dioxide gas and temperature?a The solubility of carbon dioxide gas is the
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3. 78 views
Lucy adds table salt to a beaker of water. After she stirs the water, a small amount of table salt remains at the bottom of the
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3. 78 views
A teaspoon of dry coffee crystals dissolves when mixed in a cup of hot water. This process produces a coffee solution. The
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Which statements below are TRUE of the solutions above? Choose the 2 Correct statements.a. Only solutions B and C contain
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According to the solubility curve above, which two statements below are TRUE. Pick 2 answers.a. As the temperature increases,
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What 2 types of bonds are shown in the image? Choose the 2 Correct answers.a. The solid line represents a polar covalent
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Column A1. The pH of a solution with a [H3O+] = 4.5 x 10-10 M. 2. The pH of a solution with a [H3O+] = 4.9 x 10-8 M. 3. The pH
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Use the pH scale above to choose all statements below that are TRUE. Choose 5 correct statements.a The concentration of H+ ions
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3. 71 views
For a soda (pH= 3), The H+ ion concentration is greater than the OH- ion concentration.true or false
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Column A1.Oven Cleaner, pH= 13 2.Distilled water, pH= 7 3.Battery acid, pH= 1 Column B a.Acidic b.Neutral c.Basic
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Column A1. Baking soda 2. Stomach acid 3. Water 4. Coffee 5. Drain cleaner Column B a.Neutral b.Weak acid c.Strong base d.Strong
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Column A1. Acid: Acid 2. Base: Base 3. Conjugate Acid: Conjugate Acid 4. Conjugate Base: Conjugate Base Column B a. NH4+ b. NH3
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When copper sulfate (blue crystals in the picture above) dissolves completely into water, which term is used to describe water?a
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Which statements below are TRUE? Choose the 2 Correct statements.a Only solutions B and C contain electrolytes. b None of the
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3. 65 views
which two statements below are TRUE. Pick 2 answers.a As the temperature increases, the solubility of HCl decreases. b As the
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3. 64 views
Column A1. Adding more solvent, will __________________ the concentration. 2. Removing some of the solvent by evaporation, will
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3. 66 views
Column A1. Adding more solvent, will __________________ the concentration. : Adding more solvent, will __________________ the
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3. 62 views
Which substance is known as the universal solvent?a gasoline b water c vinegar d oil
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3. 53 views
What 2 types of bonds are shown in the image? Choose the 2 Correct answers.a The solid line represents a polar covalent bond. b
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3. 67 views
Which compounds are examples of the different bond types? Choose the 3 correct answers.A. HF is an example of a nonpolar
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3. 77 views
Why do elements bond with one another? In other words, what are they trying to achieve by bonding with another element?
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Which element when combined with Sulfur (S) will form a covalent compound?a Oxygen (O) b Vanadium (V) c Aluminum (Al) d Barium
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Which element, when combined with Fluorine (F), would most likely form an ionic compound?a Carbon (C) b Osmium (Os) c Phosphorus
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3. 71 views
How does an S2- ion differ from an electrically neutral sulfur atom?a number of electrons b atomic number c number of protons d
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3. 64 views
Which best describes the relationship between subatomic particles in any neutral atom? Use the picture of the neutral atom of
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3. 75 views
No two elements have the same atomic number.True False
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Which of the following statements best explains why potassium (K) bonds easily with bromine (Br)?a Potassium and bromine both
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Which element will gain three electrons and become a 3- ion during ionic bonding?a silicon (Si) b sulfur (S) c chlorine (Cl) d
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Column A1. Antimony (Sb) 2. Neon (Ne) 3. Sodium (Na) 4. Tin (Sn) 5. Bromine (Br) 6. Oxygen (O) 7. Magnesium (Mg) 8. Boron (B)
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What characteristic is different in each isotope?a the number of neutrons in the nucleus b the net charge of the nucleus c the
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3. 56 views
which statement correctly describes the change from a neutral atom of an element to its ion?a A Lithium atom forms a Li+1 ion by
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3. 81 views
Column A1. What is the mass number of the Fluroine atom? 2. What is the atomic number of the Potassium atom? 3. How many protons
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Which statement is true about the location of the element Phosphorous (P) on the periodic table?a Phosphorous is located in
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Column A1. Radium (Ra): 2. Fluorine (F) 3. Neon (Ne) 4. Hafnium (Hf) 5. Americium (Am) 6. Samarium (Sm) 7. Caesium (Cs) Column B
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Identify each element below as either a metal, nonmetal, or metalloid.Column A 1. Chlorine (Cl) 2. Polonium (Po) 3. Zinc (Zn)
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Selenium has an atomic number of 34 and a mass number of 79.1. What are the number of protons, neutrons, and electrons in a
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What statement is TRUE about the subatomic particles within an atom?a Protons and electrons have the same mass. b Neutrons are
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How are isotopes, mass number, and atomic number related?a Isotopes are atoms of the same element that have different atomic
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Gallium has an atomic number of 31 and a mass number of 70.1. What are the number of protons, neutrons, and electrons in a
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Which statement correctly compares the valence electrons for atoms of Potassium (P) and Radium (Ra)?a Compared to Potassium,
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Which statement about metals and nonmetals is correct?a Metals can be hammered into thin sheets, and nonmetals are brittle. b
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Which pattern is used to arrange elements in the modern periodic table?a The atoms are arranged by atomic mass, and elements
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Which two patterns are used to arrange elements in the modern periodic table?a The atoms are arranged by atomic mass, and
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How are elements in the same group of the periodic table similar to each other chemically?a These elements all have the same
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What statements below are TRUE about covalent bonds? Choose 2 statements.a Electrons are shared in covalent bonds. b Electrons
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What statements below are TRUE of ionic bonds. Choose 3 statements.a Ionic bonds occur between two nonmetals. b Ionic bonds
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Column A1. Potassium (K) a metal in Group 1A 2. Phosphorus (P) a nonmetal in Group 5A 3. Sulfur (S) a nonmetal in Group 6A 4.
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Noble gases do bond with other elements because they have outer shells that are not filled.True False
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Ionic and covalent compounds are alike in that they both allow atoms to—a fill outer electron energy levels. b form ions. c
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3. 62 views
Which of the following statements best explains why atoms bond with one another?a Atoms bond to become more chemically stable. b
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3. 63 views
Column A1. How many protons does the Br-1 ion have? (The atomic number tells you the number of protons) 2. How many neutrons
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3. 46 views
Column A1. How many protons does the Ra2+ ion have? (The atomic number tells you the number of protons) 2. How many neutrons
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3. 46 views
If an ion has a negative charge, it has more electrons than protons.A. True B. False
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3. 39 views
Column A1. Silicon (Si) 2. Krypton (Kr) 3. Rubidium (Rb) 4. Nitrogen (N) 5. Sulfur (S) 6. Fluorine (F) 7. Radium (Ra) 8.
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When a neutral atom gains electrons, it becomes _______________a a negatively charged ion b a positively charged ion c
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When a neutral atom loses electrons, it becomes ____________?a radioactive. b a positively charged ion c a negatively charged
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Which statements below are TRUE about the element Antimony? Click the 5 Statements that are correct. Remember that elements are
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Match each statement with the correct scientist.Column A 1. His experiments involved cathode ray tubes. 2. His theory stated
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Column A1. Magnesium (Mg) 2. Astatine (At) 3. Radon (Rn) 4. Lithium (Li) 5. Cerium (Ce) 6. Manganese (Mn) 7. Thorium (Th) Column
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Match each property to the correct type of element.Column A 1. Most are gases at room temperature. 2. Good conductors of heat
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Column A1. Selenium (Se- Atomic number 34) 2. Germanium (Ge- Atomic number 32) 3. Xenon (Xe - Atomic number 54) 4. Cobalt (Co-
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Which element below would have similar properties to Barium (Ba)?a Beryllium (Be) b Cesium (Cs) c Francium (Fr) d Hafnium (Hf)
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Column A1. Element located in Group 2A Period 5. 2. Element located in Group 8A Period 2. 3. Element located in Group 4A Period
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In the modern periodic table, the elements are arranged by increasing _______________ number.a. isotope b. mass c. atomic d.
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Elements in the same group have similar physical and chemical properties because they have the same number of ______________.a.
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Match each description.Column A 1. What is the atomic number of this atom? (Hint: How many protons does it have?) 2. What is the
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Match each description with the correct subatomic particle.Column A 1. Positively charged particle in the nucleus of an atom. 2.
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Match each definition to the correct vocabulary word.Column A 1. Electrons in the outermost energy level of the atom. These
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Match each definition to the correct vocabulary word.Column A 1. Electrons in the outermost energy level of the atom. These
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Column A1. Electrons in the outermost energy level of the atom. These electrons are involved in bonding.: Electrons in the
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Who were the prominent progressive presidents?Know direct primary, recall, referendum and initiative. Know Frederick Jacso
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What is Progressivism and how did it originate?Name and understand the groups and individuals that were influential during the
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Growth of Cities: Describe the new culture and growth of cities by focusing on these themes.Immigrants Tenements & Living
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Monopolies and rise of regulationsPopulism era and goals The New South-- how has the South transitioned following the Civil War?
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Vertical vs. Horizontal integration
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Robber Barons v. Captains of Industry: what is the difference between these “categories”
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lowing 1850- What role did each of these developments play in ultimately settling the west?Roles of the pioneers and development
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Reconstruction Period: 1865-1877What defined the Reconstruction period? What was the challenge provided by the Radical
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Identify key individuals of the Civil War: Abraham Lincoln, William T. Sherman, Robert E. Lee, Jefferson Davis, Alexander
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2 facts about Appomattox
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Key Battles: Be able to list at least two facts about each of the following Battles or Events of the Civil WarFort Sumter Battle
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Established Government:Infrastructure: Economy: Military strategy:
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Advantages and Disadvantages of the North and the South. Correctly attribute each of the following factors as an advantage or
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Identify the goals of Abraham Lincoln in responding to the succession of South Carolina and ultimately, the South as a whole
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Missouri Compromise -Mexican War -
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Compromise of 1850 -
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Economy in the South -
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Arizona, and parts of Colorado and Wyoming.
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Be able to describe the following and how they contributed to the growing divide between the north and south:Economy in the
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Andrew JacksonNullification Crisis - Indian Removal Act - Second Bank of America -
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Precedents set by Washington on future presidencies -James Madison War of 1812 - Treaty of Ghent -
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George WashingtonImpact of Alexander Hamilton’s financial plan - Precedents set by Washington on future presidencies -
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Explain the key features of the Constitution:The Great Compromise - Limited government - Three-Fifths Compromise –
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Explain how Shays’ Rebellion highlighted the weaknesses in the Articles of Confederation.
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3. 78 views

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