The number that organizes the elements on the periodic table and shows how many protons in the atom
What is atomic number
The element in group one period one
What is hydrogen
There are this many groups in the periodic table
What is 18
The period with only one energy level
What is period one
The chemical symbol P stands for...
What is Phosphorus
The seven categories going horizontal across the periodic table
What is periods
The element in group 13 period 2
What is Boron
This group has all the alkali metals in it
What is group 1
The amount of periods there are
What is 7
the eighteen columns going vertically down the periodic table are called
What is groups
The element in group 16 period 2
What is oxygen
This group has all the halogens in it
What is group 17
The 3 periods that don't have transition metals in them
What is periods 1,2,3
The stable group of non-metals at the end of the periodic table
What is noble gases
Every metal between these two groups is a transition metal
What is group 2 and 13
The period with no non-metals
What is period 7
The first period of the rare earth metals
What is period 6
This group is the start of the metalloids
What is group 13
the 2 periods the rare earth metals should go in
What is period 6 and 7
The chemical symbol No stands for...
What is Nobelium