Just the facts, Jack
These are the vertical columns
What are groups or families?
These are the elements found in Group 1.
What are Alkali metals?
Number of protons
What is atomic number?
Staircase
What are metalloids?
These are the horizontal rows.
What are periods?
These elements are found in the middle of the periodic table, groups 3-12.
What are transition metals?
Protons + neutrons
What is mass number?
Group 6 Period 6
What is W?
Alkaline Earth Metals are found in this group.
What is Group 2?
Most of the elements on the periodic table are this.
What are metals?
Group 1 Period 3
What is Na?
Group 2 period 6
What is Ba?
Halogens are found in this group.
What is group 17?
What are metals?
Group 18 Period 5
What is Xe?
Group 17 period 4
What is Br?
Noble gases are found in this group.
What is group 18?
They have the same number of electrons in their outer (valence) shell.
What are elements in the same group?
Group 3 Period 4
What is Sc?
The periodic table is arranged by increasing atomic...
What is number?