Periodic Table

Front

What is the atomic mass of Nitrogen?

Back

14.01

Front

What is the atomic number of an atom with 5 electrons and 5 protons?

Back

5

Front

What do we call the one or two letter abbreviations for elements on the Periodic Table?

Back

Chemical Symbol

Front

How many protons does an atom of Calcium have?

Back

20

Front

What is the atomic mass of Oxygen?

Back

16

Front

What is the definition of atomic number?

Back

The number of protons in the nucleus of an atom.

Front

What is the definition of atomic mass?

Back

The weighted average mass of an element's isotopes.

Front

What is a chemical element?

Back

A substance that cannot be broken down into simpler substances by chemical means.

Front

What is the significance of the Periodic Table?

Back

It organizes elements based on their atomic number, electron configuration, and recurring chemical properties.

Front

What are periods in the Periodic Table?

Back

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