A ballon expands as it becomes warmer

A soda bubbles and foams when you open it.

Developing a photograph

A substance changes color-think coloring hair

Shooting off fireworks

Breaking a glass

Is this an element or a compound? C6H12O6

Is this a molecule or a compound? H2O

Is this an element or a molecule? He

How many atoms does Hydrogen have? C6H12O6

How many atoms does Oxygen have? CO2

Calcium has an atomic number of 20, with a mass of 40.078. What is the proton count for Calcium

Calcium has an atomic number of 20, with a mass of 40.078. How many neutrons does Calcium have?

Calcium has an atomic number of 20, with a mass of 40.078. What period is Calcium in on the periodic table?

Calcium has an atomic number of 20, with a mass of 40.078. What group is Calcium in?

Luster is a property that describes the shininess of a metal.

A pot has a copper bottom to better transfer heat to the food being cooked. Which property of metals is being used?

If a metal is malleable, it can not be rolled into thin sheets, or bent into complex shapes.

What is the formula for calculating density

A chemical change must have which of the following results?

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