Periodic Table Basics

Front

What is the atomic mass of neon?

Back

20.1797

Front

Which of these elements is found in GROUP 2?

Back

Magnesium

Front

Atomic mass is the number of ______ + _______.

Back

protons, neutrons

Front

Atomic number tells you _________.

Back

the number of protons in an atom

Front

You can find the _____ an atom has by subtracting 'atomic mass - number of protons'.

Back

number of neutrons

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What does the periodic table organize?

Back

Elements based on their atomic number, electron configuration, and recurring chemical properties.

Front

What is a group in the periodic table?

Back

A column of elements with similar properties.

Front

What is a period in the periodic table?

Back

A row of elements that have the same number of electron shells.

Front

What are noble gases?

Back

Elements in Group 18 that are inert and do not readily react with other elements.