Atomic number of zinc is 30.How many electrons present in the third shell of Zn atom.
Answers
Answered by
2
Answer:
18
Explanation:
30=2,8,18,2 third shell 18ē valence shells will not have more than 8ē
Answered by
2
Answer:
18 electrons.
Explanation:
Atomic number (Z) of Zn = 30
Number of shells:
k, l, m, n.
Where:
- k has 2 electrons
- l has 8 electrons
- m has 18 electrons
- n has 2 electrons
k + l + m + n = 30
2 + 8 + 18 + 2 = 30
- 30 = 30
∴ There are 18 electrons in third shell of Zinc.
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