Periodic Table

Front

How many periods are there in the periodic table?

Back

7

Front

What does the atomic number represent?

Back

The number of protons in an atom.

Front

What is the exception to the rule that metals are found on the left side of the periodic table?

Back

Hydrogen is found on the left but is a non-metal.

Front

How can you tell the difference between atomic number and atomic mass?

Back

Atomic number is a whole number, while atomic mass is a decimal.

Front

What is true about the capitalization of chemical symbols?

Back

The first letter is capitalized and the second letter is lowercase.

Front

What is the atomic mass of an element?

Back

The average mass of an atom of an element, measured in atomic mass units (amu).

Front

What are groups in the periodic table?

Back

Vertical columns that contain elements with similar properties.

Front

What are periods in the periodic table?

Back

Horizontal rows that indicate the number of electron shells.

Front

What is a metal?

Back

Elements that are typically shiny, good conductors of heat and electricity, and malleable.

Front

What is a non-metal?

Back

Elements that are usually dull, poor conductors, and brittle.