group
type
Mystery
Elements
important scientists
100
The first group on the periodic table
What is Alkali metals?
100
The type of noble gasses
What are noble gasses?
100
Nitrogen's color is
What is colorless?
100
the first element on the periodic table
What is Hydrogen?
100
created the plum pudding model of the atom
who is J.J. Thomson ?
200
the largest group
What are transition metals?
200
Separate the metals and nonmetals
What are the metalloids?
200
Symbol for Iron
What is Fe?
200
Has an atomic mass of around twelve
What is Carbon?
200
discovered that atoms have a nucleus
Who is Ernest Rutherford?
300
what is the top element of noble gases
What is helium ?
300
The type of Berylium
What are Alkaline Earth Metals?
300
what two elements make up salt
What is sodium and chlorine
300
has 20 electrons
What is Calcium?
300
discovered that electrons have shells surrounding them
Who is Niels Bohr ?
400
what are the 2 liquids on the periodic table
What is mercury and bromine ?
400
The type of oxygen
What is nonmetal?
400
what element goes into pools
What is chlorine ?
400
has 12 nuetrons
What is Magnesium?
400
Dalton's greatest discovery
What is the atom?
500
Radium's group
What are Alkaline Earth Metals?
500
Francium is a...
What is Alkali Metal?
500
The element named after mendeleev
What is mendelevium?
500
the most radioactive element on the periodic table
What is oganesson ?
500
Dimitri Mendeleev organized organized it
What is the periodic table?