Periodic Table Basics

Front

What is the number at the top of each square on the periodic table?

Back

Atomic number

Front

What is each column in the periodic table called?

Back

Group

Front

What class of elements are sometimes called 'semiconductors'?

Back

Metalloids

Front

How many electrons can the first energy shell hold?

Back

2

Front

What are the vertical columns on the periodic table called?

Back

Groups

Front

What is the horizontal row in the periodic table called?

Back

Period

Front

What is the chemical symbol for Gold?

Back

Au

Front

What is the atomic mass of Carbon?

Back

Approximately 12.01 u

Front

Which elements are found on the right side of the periodic table?

Back

Nonmetals

Front

What is the term for elements that have properties of both metals and nonmetals?

Back

Metalloids