Matter Review. 1

Front

What is the formula for density?

Back

Density = mass/volume

Front

How many valence electrons does Aluminum have?

Back

3

Front

What do we call elements that occur in vertical columns on the periodic table?

Back

Groups

Front

According to the periodic table, what element is in group 1 period 1?

Back

Hydrogen

Front

What is a gas?

Back

A state of matter with no definite shape or volume.

Front

What is the formula for calculating mass?

Back

Mass = density x volume

Front

What is the definition of matter?

Back

Anything that has mass and takes up space.

Front

What are the three states of matter?

Back

Solid, liquid, gas.

Front

What is the difference between a solid and a liquid?

Back

A solid has a definite shape and volume, while a liquid has a definite volume but takes the shape of its container.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.