Periodic Table of Elements

Front

What is a subatomic particle that has a negative charge?

Back

Electrons are subatomic particles with a negative charge.

Front

What are the electrons in the outermost shell of an atom called?

Back

Valence electrons are the electrons involved in forming bonds.

Front

Which group of elements has the most reactive nonmetals?

Back

Halogens are the most reactive nonmetals.

Front

Elements in the same ________ are more chemically similar.

Back

Group.

Front

What does the number 6 represent in the periodic table?

Back

Atomic number.

Front

What is the term for the vertical columns in the periodic table?

Back

Groups.

Front

What is the term for the horizontal rows in the periodic table?

Back

Periods.

Front

What are the elements in Group 1 of the periodic table called?

Back

Alkali metals.

Front

What are the elements in Group 18 of the periodic table known for?

Back

Noble gases are known for being inert and non-reactive.

Front

What is the term for the number of protons in an atom's nucleus?

Back

Atomic number.