Atoms & Periodic Table

Front

The element represented by the symbol Cu is _____

Back

copper

Front

The element with the atomic number 12 is _____

Back

Magnesium

Front

Periods on the periodic table are __________.

Back

Horizontal Rows

Front

What does the C represent?

Back

chemical symbol

Front

The atomic number of this pictured element is _____

Back

28

Front

What is an atom?

Back

The basic unit of a chemical element.

Front

What is the atomic number?

Back

The number of protons in the nucleus of an atom.

Front

What is the periodic table?

Back

A tabular arrangement of chemical elements organized by atomic number.

Front

What are groups in the periodic table?

Back

Vertical columns that group elements with similar properties.

Front

What is a chemical symbol?

Back

A one or two-letter notation used to represent an element.