guess the element
guess the scientists
guess the atomic numbers
guess the group from the periodic table
What is the average Atomic Mass
100

H

Hydrogen

100

who said "there is a small, dense, positively charged nucleus

 Rutherford

100

Beryllium (Be) 

100

what group column is He, Ne, Ar, Kr, Xe, Rn and Og

18 or Nobel Gases 

100

Beryllium (Be)

9.01

200

Ca

Calcium 

200

who said "Atoms" means "not to be cut" which refers to the smallest piece of matter.  

Democritus 

200

Helium (He)

2

200

what group column is Li, Na, K, Rb, Cs, Fr

Alkaline Metals 
200

Lithium (Li)

6.94

300

Hf

Hafnium

300

who said "Matter has four properties: hot, cold, dry and wet. 

Aristotle 

300

Calcium (Ca)  

20

300

 what group column is Be, Mg, Ca, Sr, Ba, Ra 

Alkaline Earth Metals 

300

Helium (He) 

4.00

400

Ra

Radium

400

who said "Atoms are uncuttable"

Dalton 

400
Lanthanum (La) 

57

400

what two elemnts is the group called for at least one of them Te, Po  

Metalloids  

400

Boron (B)

10.8

500

Fe

Iron

500

who said "Electrons move around the nucleus billions of times in one second" 

Schrodinger, Heisenberg, Einstein AND/OR other scientists 

500

Nihonium (Nh)  

113

500

what three elements is the group called O, S, Se 

Non-Metals 

500

Titanium (Ti)

47.8