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Elements
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Periodic table questions
Flashcards
10 cards
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Practice quiz
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Questions
10
Answers
1
What period is oxygen in?
16
2
8
12
2
How many protons does neon have?
10
2
18
4
3
How many valence electrons does boron have?
13
12
3
2
4
What period is calcium in?
4
1
3
2
5
How many protons does sodium have?
22
11
12
23
6
What period is silicon in?
3
14
2
16
7
How many neutrons does lithium have?
1
4
2
3
8
How many electrons does helium have?
2
1
18
3
9
What group is magnesium in?
4
3
2
12
10
How many neutrons does beryllium have?
2
5
4
9
