Periodic Table
What is a column on the periodic table called?
Group/Family
What type of elements are found in Group 18?
Noble Gases
What is a row on the periodic table known as?
Period
The stair step elements are known as the the what?
Metalloids
What is an isotope?
An element with a different number of neutrons.
What happens when you change an elements protons?
You change the element.
The elements F, Cl, and I all belong to which family of elements?
Halogens