Atomic Structure and Periodic Table Review

Front

Subatomic particle with a charge of -1

Back

Electron

Front

Outside the nucleus of an atom are these

Back

Electrons

Front

What is Group 18 referred to as?

Back

Noble Gases

Front

How many valence electrons does phosphorus have?

Back

5

Front

Which of the following elements is a metalloid?

Back

Silicon

Front

What is the charge of a proton?

Back

+1

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What are the three main subatomic particles?

Back

Protons, Neutrons, Electrons

Front

What is the mass of a neutron compared to a proton?

Back

Approximately equal; both have a mass of about 1 atomic mass unit (amu).

Front

What do elements in the same group of the periodic table have in common?

Back

They have the same number of valence electrons.