Front

All matter is made of what?

Back

Atoms

Front

The positive particles of an atom are: electrons, positrons, neutrons, protons

Back

protons

Front

the central region of an atom where most of the atom's mass can be found

Back

nucleus

Front

An atom with atomic number 6 would have how many protons?

Back

6

Front

Particles in an atom that are neutral and have no charge are

Back

neutrons

Front

How many protons does this atom have?

Back

5

Front

The first energy level can hold up to how many electrons?

Back

2

Front

What are the 3 subatomic particles that make-up the atom?

Back

protons, neutrons, and electrons

Front

Which number here is my atomic number? Options: 5, 10.811

Back

5

Front

What is the chemical symbol for magnesium?

Back

Mg