Question

10. Write the electronic configuration of 13A1, 6C
and 9F and assign the group and the period to which they belong.​

Answer 1

Answer:

[Ne] 3s² 3p¹

Explanation:

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Answer 2

Answer:

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11th

Chemistry

Classification of Elements and Periodicity in Properties

Modern Periodic Law and Periodic Table

The electronic configuratio...

CHEMISTRY

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Asked on December 26, 2019 by

Bijayalaxmi Kundaliya

The electronic configuration of the elements X, Y and Z are given below:

a) X = 2 b) Y = 2, 6 c) Z = 2, 8, 2

i) Which element belongs to second period?

ii) Which element belongs to second group?

iii) Which element belongs to 18th group?

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ANSWER

a) X=2 b)Y=2,6 c)Z=2,8,2

1s

2

1s

2

2s

2

2p

4

1s

2

2s

2

2p

6

3s

2

.

i) 'Y' belongs to the 2nd period. Because its electronic configuration ends with n=2

ii) 'Z' belongs to the 2nd group as its last electron enters into the second group of s-subshell.

iii)'X' belongs to 18th group.

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