Final Semestral Test

Front

Anything that has mass and takes up space.

Back

matter

Front

A single kind of matter that always has a specific makeup.

Back

substance

Front

The basic unit from which all matter is made.

Back

atom

Front

Substances that are made up of only ONE type of atom.

Back

element

Front

Made of two or more substances that are together in the same place, but their atoms are NOT CHEMICALLY BONDED.

Back

mixture

Front

What is the atomic number?

Back

the number of protons

Front

What is the mass number defined as?

Back

the number of protons and neutrons

Front

What is the atomic number of Barium, Ba? (enlarge the periodic table)

Back

56

Front

How many protons are in a sodium atom, Na?

Back

Sodium has 11 protons.

Front

Which subatomic particle has a negative charge in the atom?

Back

electron