Chemistry Unit 1 Review

Protons have what type of charge?

• Positive

• Negative

• Neutral

Electrons have what type of charge?

• Positive

• Negative

• Neutral

Neutrons have what type of charge?

• Positive

• Negative

• Neutral

Where are the protons located in the atom?

• Outside in orbitals.

• In the nucleus.

Where are neutrons located in the atom?

• In the nucleus

• Outside the nucleus in orbitals

Where are the electrons in an atom located?

• In the nucleus

• Outside the nucleus in orbitals

Which subatomic particle has no mass?

• Protons

• Neutrons

• Electrons

The atomic number on the periodic table tells us what?

• The number of protons

• The number of electrons

• The number of neutrons

• It tells us nothing.

The number of electrons in an atom is equal to what?

• The number of protons

• The number of neutrons

• The number of protons plus neutrons

Which is the correct order of electron sub levels?

• d f s p

• s d f p

• s p d f

• s p f d