Chemistry, asked by ak65965646r, 4 months ago

iii. In which block, group and period in the periodic table would you place each of the elements with the following electronic configuration? (3)
a. 1s2 , 2s2 , 2p5 b. 1s2 , 2s2 , 2p6 , 3s2

Answers

Answered by Anonymous

1

Answer:

a) sodium

group - 1

Block - S

period -3

b) Magnesium

group - 2

block -s

period - 3

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