Periodic Table Review

Front

The horizontal rows in the periodic table are called __.

Back

periods

Front

What is the symbol for Potassium?

Back

K

Front

The number found below the chemical name is the ___.

Back

atomic mass

Front

Alkali and Alkaline Metals are .....

Back

Reactive

Front

Elements in the same periods share similar properties.

Back

False

Front

What is the atomic number?

Back

The number of protons in the nucleus of an atom.

Front

What are groups in the periodic table?

Back

Vertical columns that contain elements with similar chemical properties.

Front

What is the significance of the atomic mass?

Back

It represents the average mass of an element's isotopes.

Front

What are noble gases?

Back

Elements in Group 18 that are mostly unreactive due to having a full valence shell.

Front

What is the periodic law?

Back

The properties of elements are a periodic function of their atomic numbers.