Periodic Table Basics

Front

What is the periodic table?

Back

A tabular arrangement of chemical elements, organized by increasing atomic number, electron configuration, and recurring chemical properties.

Front

What does the atomic number represent?

Back

The number of protons in the nucleus of an atom, which determines the element's identity.

Front

What are groups in the periodic table?

Back

Vertical columns in the periodic table that group elements with similar chemical properties.

Front

What are periods in the periodic table?

Back

Horizontal rows in the periodic table that indicate the number of electron shells in the elements.

Front

What element is found in group 9, period 4?

Back

Cobalt.

Front

What is the element with atomic number 108?

Back

Hassium.

Front

Which two elements are in the same period?

Back

Boron (B) and Carbon (C) are in the same period.

Front

How many periods are there in the periodic table?

Back

There are 7 periods in the periodic table.

Front

How many groups are there in the periodic table?

Back

There are 18 groups in the periodic table.

Front

What element has 80 protons?

Back

Mercury.