This elements electron configuration is:
1s2
Helium
The atomic weight is 15.999
Oxygen
Salt
Sodium
It is highly toxic and commonly used in rat poison
Thallium
Commonly mistaken for your pencil tip
Lead
This element has 10 electrons
Neon
Sulfur
_______ ION Batteries
Lithium
The most common metal on earth
Soft enough to be cut without much force and used to make cans
Tin
This element is radioactive and the atomic weight is 222
Radon
Radioactive and is produced in about 100 g/year by bombarding bismuth with neutrons in a nuclear reactor.
Polonium
K
Potassium
This element is the softest metal that is not an alkali metal.
Indium
Name meaning Germany in Latin
Germanium
The chemical symbol of this element is OG
Oganesson
Has never been found in nature and was created in a lab. Also it is extremely radioactive
Livermorium
55
The only radioactive metal in this family
Nihonium
It is a hard and brittle crystalline solid with a blue-grey metallic luster