periodic table challenge
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Last updated over 4 years ago
6 questions
1
What is group 1 called?
What is group 1 called?
1
What is group 2 called?
What is group 2 called?
1
What is group 7 called?
What is group 7 called?
1
What is a group
What is a group
1
What is a period?
What is a period?
1
How many periods are in periodic table?
How many periods are in periodic table?