Show:
Atoms
Atomic Symbols
Elements
Element Data
MISC.
100
what has positive charges
What is protons
100
C
What is carbon's atomic symbol
100
When was carbon discovered
What is 3750 B.C.
100
6
What is how many protons does carbon have
100
who created the modern periodic table
What is Dmitri Mendeleev
200
what have negative charges
What is electrons
200
Si
What is Silicon's atomic symbol
200
Where is tin commonly found
What is Brazil, China, Peru, Indonesia, Thailand and Nigeria
200
6
What is how many electrons does carbon have
200
when was the first periodic table introduced
What is 1869
300
where are protons and neutrons found
What is the nucleus
300
Ge
What is germanium's atomic symbol
300
Who discovered Germanium
What is Clemens winkler
300
14
What is how many neutrons does silicon have
300
How do you group the elements in the periodic table
What is the number of electrons in the outer orbital
400
who discovered the atom
What is J.J. Thomson
400
Sn
What is tin's atomic symbol
400
where did tin gets it name
What is the Anglo-Saxon word "tin"
400
4
What is how many electrons are in the outer electron layer of group 14
400
What are inner transition metals
What is elements 57-71
500
who created the atomic
What is Democritus
500
Pb
What is lead's atomic symbol
500
who discovered tin
What is Egyptians and Sumerians
500
125
What is number of neutrons in lead
500
Who created element 109
What is Peter Armbruster and Gottfried Münzenberg