Element Facts
Element Key
Element Symbols
Radioactive Elements
Atomic Mass
100
What is the first element?
Hydrogen
100
What is at the top left of an element square?
Atomic Number
100
What is hydrogen symbol?
H
100
What is element 43?
Technetium
100
What is potassium's atomic mass?
39.10
200
Is Mercury a liquid?
Yes
200
what is at the top right of an element square ?
atomic mass
200
What is copper's chemical symbol?
Cu
200
What is element 61?
Copper
200
What is radon's atomic mass?
222
300
How many elements are there?
118
300
what is in the middle of an element square
chemical symbol
300
What is Radon's chemical symbol?
Rn
300
What is element 84?
Krypton
300
What is Cl's atomic mass?
35.45
400
Which side are the metals on?
Left
400
What is below the chemical symbol
element name
400
What is Tin's chemical symbol
Sn
400
What is element 112
Cadmium
400
What is Ununhexium's atomic mass?
289
500
How many liquid elements are there?
2
500
What is the atomic mass rounded to?
The hunderith
500
What is Uuo's chemical name?
Ununoctium
500
How many elements are radioactive?
30
500
What is Tin's atomic mass?
118.71
M
e
n
u