Which characteristic distinguishes a molecule from an atom?

The students mixed vinegar and baking soda and bubbles formed and producing a gas. If they measured the mass of the substance at the beginning and had 20g, what would be the mass after the chemical reaction?

Which of the following best describes a chemical change?

Sarah has two glasses, filled with water and adds 1 ice cube to each glass. In the first glass, the ice cube sunk and in the first glass, floated. What best describes the conclusion?

You mix two solutions (liquids) together and your left with a solid white substance after all the liquid is gone. What best describes the original substance?

What are the properties of Ca, Ba and Li?

Sugar and Sand is what type of Mixture:

Sugar and water is what type of mixture:

Rusting is similar to which type of reaction?

As you go from the bottom (solid) to the top (plasma) of the states of matter diagram, what happens to the motion of particles?

An element (atom) that cannot be separated any further:

When two atoms(elements) combine chemically, they form a :

Which state of matter has particles that are tightly packed and moves the slowest?

Which state of matter shows particles that slide past one another?

Which is a chemical property of matter?

Increasing the temperature causes:

Which is a not physical property of matter?

Oil and water mixture:

Salt and water mixture:

You have 3 different substances. Substance A has a density of 20g/cm3, Substance B has a density of 15g/cm3 and substance C has a density of 10g/cm3. If you placed all 3 into a graduated cylinder, what would be the result from top to bottom?

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