Front

The vertical column of the periodic table is called _____________________

Back

Group, Family

Front

Group Name and Number for Neon

Back

Noble Gases 18 or 8A

Front

Who first developed the Periodic Table?

Back

Mendeleev

Front

Family/Group of all non metals, all highly reactive, poor conductors of heat and electricity. Tend to form salts with metals.

Back

Halogens

Front

Elements reactivity on the periodic table __________________ as you go from left to right

Back

decreases

Front

What is the horizontal row of the periodic table called?

Back

Period

Front

What are the elements in Group 1 of the periodic table known as?

Back

Alkali Metals

Front

Which group contains the least reactive elements?

Back

Noble Gases

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the significance of the periodic law?

Back

It states that the properties of elements are a periodic function of their atomic numbers.