Front

What are the vertical columns in the periodic table called?

Back

Groups

Front

Which element is the most reactive: Fe, Na, C, or He?

Back

Na (Sodium)

Front

What particles are found in the nucleus of an atom?

Back

Protons and Neutrons

Front

What type of element is Lithium?

Back

Metal

Front

Which family of elements is the least reactive?

Back

Noble Gases

Front

What is the horizontal row in the periodic table called?

Back

Period

Front

What are the elements in Group 1 known as?

Back

Alkali Metals

Front

What is the charge of a proton?

Back

Positive

Front

What is the charge of an electron?

Back

Negative

Front

What are the elements in Group 18 known as?

Back

Noble Gases