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kayla

Public contributions from visitors who posted under the name kayla.

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The use of social media helped protestors communicate during the Arab Spring. Iranian Revolution. Mandate System. pan-Arabism era.
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According to the lab guide, which changes below will you look for in order to test the hypothesis? Check all that apply. changes in shape or size color changes whether changes are easily reversible temperature changes fo...
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The diagrams below represent the four states of matter. A container holds a number of blue balls, loosely packed. A container holds small number of yellow balls, spaced at random in the container. Diagram 1 Diagram 2 A c...
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Consider the heating curve for water. A graph of the heating curve for water has time in minutes on the horizontal axis and Temperature in degrees Celsius on the vertical axis. A line runs through the following points: 0...
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The arrows in the chart below represent phase transitions. Three bars are shown labeled Solid, Liquid, and Gas. They are connected by arrows labeled 1 to 6. Arrow 1 points from liquid to gas; arrow 2 from solid to liquid...
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mc002-1.jpg is initially present in a state where its molecules are far apart. During a change of state, its molecules slow down. Which change of state has most likely taken place? from a gas to a liquid from a liquid to...
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Which energy change occurs during boiling? Some heat energy of the substance is lost. Heat energy of the substance remains the same. Most heat energy of the substance is lost. Heat energy is absorbed by the substance.
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The diagram below shows the different phase transitions that occur in matter. Three bars are shown labeled Solid, Liquid, and Gas. They are connected by arrows labeled 1 to 6. Arrow 1 points from liquid to gas; arrow 2 f...
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A solid substance turns directly into a gas. Which term describes this change? deposition evaporation melting sublimation
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Consider the temperature versus time graph below. A graph of temperature versus time, with time in minutes as the horizontal axis and temperature in degrees Celsius as the vertical axis. 5 sections of line are labeled: 1...
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In which phase transition do molecules move directly from a state involving vibration of particles in a fixed position to a state involving random movement of high-speed particles? evaporation sublimation freezing deposi...
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Jean has a sample of a liquid. If she changes the liquid’s phase by it, the molecules will spread out, allowing the sample to expand and fill a container of any shape or volume.
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Which is an example of plasmas in nature? solar cells plasma balls auroras clouds
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Which state of matter is characterized by ionized particles, no definite shape or volume, and good electrical conductivity? gas liquid plasma solid
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How does the motion of particles in the sun’s plasma compare to the motion of particles in a solid? Particles in both the plasma and a solid move around to fill available space. Particles in the plasma move randomly, but...
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Which group of elements would generally have the largest atomic radii? Group 1A Group 2A Group 5A Group 7A
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Which element below has the highest electronegativity? beryllium carbon fluorine nitrogen
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The missing components in the table to the right are indicated with orange letters. Use the periodic table in the tools bar to fill in the corresponding values. A B C D A 3-column with 4 rows. Column 1 is labeled Element...
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The missing components in the table to the right are indicated with orange letters. Use the periodic table in the tools bar to fill in the corresponding values. A B C D
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The missing components in the table to the right are indicated with orange letters. Use the periodic table in the tools bar to fill in the corresponding values. A B C D E F G A 4-column table with 4 rows. Column 1: eleme...
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Check the correct box to describe the periodic trends in electronegativity. Electronegativity across a period: decreases. increases. Electronegativity down a group: decreases. increases.
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Use the periodic table to select the element from the drop-down menu that has the correct relative electronegativity. Mg > P > C < Br <
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What are the trends and exceptions to the trends in electron affinity? Check all that apply. The electron affinities of the elements in Group 17 are larger (more negative) than the elements in Group 1. Electron affinitie...
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Why are the trends and exceptions to the trends in ionization energy observed? Check all that apply. Ionization energy tends to increase down a group because the electrons get farther away from the nucleus. Ionization en...
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Which is the most accurate description of a historiographer? the creator of graphics for historical articles a historian who uses technology for research the creator of historical organizations a historian who writes the...
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