These are found on the left side of the periodic table.
What are metals.
100
These go up and down on the periodic table.
What are groups
100
O and H
What is Oxygen and Hydrogen
100
Au and Ag
What is Gold and Silver
200
Group #2
What is Earth Metals
200
These are found on the right side of the periodic table.
What are non metals
200
These go left to right on the periodic table.
What are periods
200
He and Ca
What is Helium and Calcium
200
Pb and Na
What is Lead and Sodium
300
Groups 3-12
What are Transition Metals
300
These are found between metals and non metals on the periodic table.
What are metalloids
300
This means the ability to be hammered in to thin sheets.
What is malleable
300
C and Cl
What is Carbon and Chlorine
300
Ru and Rd
What is Ruthenium and Radon
400
Group #17
What is Halogens
400
Elements are arranged by 2 things on the periodic table. Name 1
What are atomic masses and/or # of protons
400
This means the ability to be strung in to thin wires
What is ductile
400
Ne and Kr
What is Neon and Krypton
400
Hg and Sn
What is Mercury and Tin
500
Group #18
What are Noble Gases
500
Why are there two periods listed under the main part of the periodic table?
What is because they were discovered later and if put in to correct place, the table would look odd and not as organized. It also fits better in books.