Science worksheets for class 9
Access printable science worksheets for class 9
This is a Bohr Diagram of Aluminum. How many valence electrons does Aluminum have?
3
4
5
How many valence electrons does Tin (Sn) have?
8
7
5
4
How many valence electrons does Lithium (Li) have?
8
1
5
2
How many valence electrons does Bromine (Br) have?
5
6
7
8
How many electrons can the first shell hold?
2
4
6
8
According to the diagram below, how many bonds will this atom be able to make?
This is a correct dot diagram for neon (Ne)
true
false
Which of these is incorrect?
Which of these is correct?
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