Snaggy

@Snaggy

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October 6, 2023

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Questions (70)

List the material each of the following is stopped by:Alpha: Beta: Gamma:
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3. 55 views
beta decay equation example
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How is the particle represented?beta decay
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3. 49 views
How is the particle represented?Alpha Decay
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3. 50 views
Beta Decay definitionsimple
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3. 64 views
write an equation for alpha decay
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When we write nuclear reactions, you use the A-Z-X formatting. Match the symbols to the terms they represent.Column A 1. A: A 2.
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Compared to an ordinary chemical reaction, a fission reaction will:a absorb a smaller amount of energy. b absorb a larger amount
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3. 75 views
Technetium-99m is a radioactive isotope commonly used in medicine as a radioactive tracer. A radioactive tracer is an isotope
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3. 140 views
Which process occurs when one nucleus splits to form two smaller nuclei?a fusion b fission c both d neither
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3. 130 views
Which factor explains why a cube of sugar placed in water will dissolve at a slower rate than granular sugar over time?a The
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Nuclear reactions always involve lots of energy.True False
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Which of the following BEST describes what occurs in a fusion reaction?a Two low mass nuclei are joined to form one nucleus and
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Sodium-24 has a half-life of approximately 15 hours. If only one-eighth of the sodium-24 remains, about how much time has
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The half-life for a 100-gram sample of radioactive element X is 5 days. How much of element X remains after 10 days have passed?
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Can penetrate other materials moderately:Can be absorbed by a sheet of aluminum: a.Alpha particle b.Gamma particle c.Beta
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3. 82 views
Can penetrate other materials moderately5. Can be absorbed by a sheet of aluminum: Can be absorbed by a sheet of aluminum Alpha
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This particle cannot penetrate very far into other materialsAlpha particle b.Gamma particle c.Beta particle
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While folk and popular cultures can be vastly different, they do share some core characteristics. Discuss three similarities and
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3. 104 views
While folk and popular cultures can be vastly different, they do share some core characteristics. Discuss three similarities and
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3. 109 views
While folk and popular cultures can be vastly different, they do share some core characteristics. Discuss three similarities and
1. 1 answer
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3. 213 views
While folk and popular cultures can be vastly different, they do share some core characteristics. Discuss three similarities and
1. 1 answer
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3. 152 views
Why has the Indian government tried to regulate the practice of dowries since the 1960s?(1 point) Responses The government feels
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3. 80 views
What are some reasons that certain foods, such as the lentil grown in Le Puy-en-Velay, France, are slow to diffuse into the
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3. 102 views
The avoidance of pork consumption in the Jewish faith is an example of a(n)(1 point) Responses preference. preference. taboo.
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Protests in countries such as France and Belgium over the right of women to wear a burqa show(1 point) Responses the tension
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3. 108 views
Wine is an aspect of material culture and grapes can be grown in many regions. However, one cultural factor that limits wine
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3. 96 views
Material culture in the United States can be said to(1 point) Responses have distinct regional differences. have distinct
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3. 87 views
Which of the following best explains why popular culture has rapidly diffused around the globe?(1 point) Responses Television
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3. 166 views
Which of the following best explains why certain folk cultures, such as the Amish, are able to maintain their cultures while
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3. 146 views
Which of the following best explains why pitched roofs are more common in the arctic than in the tropics?(1 point) Responses
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3. 150 views
Which of following is true of hip hop?(1 point) Responses It is considered an element of popular culture because it has multiple
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3. 171 views
Which of the following is an example of folk culture being diffused into popular culture?(1 point) Responses the adoption of
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Which of the following is true of both folk and popular culture?(1 point) Responses They evolve little over time. They evolve
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Which of the following pairs includes examples of both folk and popular culture?(1 point) Responses blue jeans and Coca Cola
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3. 129 views
Cultures vary across the world, but all cultures, regardless of the location, can help geographers answer which question?(1
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The food, clothing, shelter, and art of a region are all examples of its(1 point) Responses wealth. wealth. language. language.
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Select all representations for the domain of a function given by elevation (in feet) at or above sea level.(2 points)Responses
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Sally is doing an experiment in chemistry class where she mixes two substances together. When the tow substances react, she
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A reaction that produces heat is an endothermic reaction.True False
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3. 101 views
Are the following examples of chemical or physical changes?Column A 1. rusting metal: rusting metal 2. slicing bread: slicing
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Match the missing coefficient to the correct number of molecules so that the equation adheres to the conservation of mass.(X)N2
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A chemist is trying to get two substances to react, but he is unsuccessful. He knows that the two substances should react with
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3. 119 views
Look at the following equation.__Au2O3 → __Au + __O2 In order to follow the law of conservation of mass, this equation must
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Match the following scenario to the type of change.Column A 1. burning fuel: burning fuel 2. cutting paper: cutting paper 3.
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If 50 g of Magnesium(Mg) is reacted with 30 g of Bromine(Br), what is the mass of the products?a 20 g b 30 g c 50 g d 80 g
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1Synthesis 2. Single replacement: 3. Combustion: 4. Double displacement: 5. Decomposition: match these to this Na + Cl → NaCl
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When balancing a chemical equation, which of the following can be changed?the formulas b the mass c the coefficients d the
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What two subatomic particles have the greatest mass?a protons and neutrons b neutrons and electrons c protons and electrons
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Which pair of elements listed below would NOT form a covalent bond?a C and H b N and O c K and Cl d S and O
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3. 87 views
Looking at the periodic table, determine the number of valence electrons present in Nitrogen (N).a 3 b 15 c 5 d 6
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What type of reaction is shown below?2 Na + Cl2 → 2NaCl a Synthesis b Decomposition c Single displacement d Combustion
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In the balanced chemical equation, below, determine what the coefficient and the subscript represent in 4CO2.Choose ALL the
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Looking at the periodic table, determine the charge of Fluorine (F) will make when it bonds with other atoms.a +1 b +2 c -2 d -1
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The chemical equation for the reaction between magnesium (Mg) and hydrochloric acid (HCl) is shown.Mg + 2HCl → MgCl2 + H2
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Identify and describe two factors that increase reaction rates.write it in 3 sentences
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Identify and describe two factors that increase reaction rates.
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Using what you know about the trend of electronegativity on the periodic table, which of the following elements would be the
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1.NaCl 2. MgBr2 3. CO2 : CO2 4. SO2 : SO2
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Nitrogen is in group 15. What is the charge of a nitrogen ion?a -3 b -2 c +1 d +3
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energy is a reactantenergy is a product the products have higher energy than the reactants the reactants have higher energy than
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In an endothermic reaction, energy is released.True False
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A reaction where energy is released is known as:a an endothermic reaction b an exothermic reaction
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Increasing the concentration will increase the reaction rate.True False
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Decreasing the surface area will increase the reaction rate.True False
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Increasing the temperature will increase the reaction rate.True False
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The energy required to start a reaction is the:a activation energy b start up energy c exothermic energy d endothermic energy
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2Na + Cl2 → 2 NaCl2 HgO → 2 Hg + O2 Zn + 2 HCl → ZnCl2 + H2 PbBr2 + Al2O3 → PbO + AlBr3 C3H8 + O2 → CO2 + H2O match
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3. 104 views
Phase changes are _ changesPhysical Chemical
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gas to liquidliquid to solid: liquid to solid solid to liquid: liquid to gas solid to gas: gas to solid match these words with
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