is used to arrange the
elements in a pattern
atomic mass
Blank is to the left of the periodic table
metals
Blank is to the right of the periodic table
non metals including hydrogen
Blank surrounds the non metals on the right side
metalloids. both metal and non metal properties
Blank is the horizontal row
period
Blank is vertical row
group or family
The further right you go the blank reactive is
the less
Atomic number is made up of
protons in a nucleus of an atom
What is atomic mass made up of
Total mass of the protons and neutrons in an atom’s nucleus.
How do you get mass number?
protons +neutrons = mass number