Show:
Periodic Table
Atomic Number
Uses
Groups
Periods
100
O
What is the abbreviation of Oxygen?
100
The number of protons
What is an atomic number?
100
breathing
What is the use of oxygen?
100
Alkine Group
What is group 2?
100
Horizontal rows
What is a period?
200
Gas
Ia helium a metal or a gas?
200
1
What is the atomic number of helium?
200
H2O
What is the compound for water?
200
The vertical rows.
What is a group?
200
9
How many periods are there?
300
Au
What is the chemical symbol of gold?
300
2
What is the atomic number of hydrogen?
300
drinking, bathing, etc.
What is the use of water?
300
18
How many groups are there?
300
helium
What is the 2nd period?
400
Ag
What is the chemical symbol of silver?
400
8
What is the atomic number of oxygen?
400
No
Are elements destructable?
400
16
What group is the Oxygen family?
400
Actinides
What is the last period?
500
2
What group is the Alkine group?
500
118
What is the largest atomic number?
500
1
What is the Alkali group?
500
44
What is the atomic number?