Question

the atomic number of an element is 19.
write electronic configurationn and find group,period,block and oxidation state​

Answer 1

Answer:

Atomic No.-19

Element name- Potassium

Electronic Configuration- 2,8,8,1

Group- 1

Period- 4

Block- s

Oxidation state- 1

Answer 2

Answer: The element is Potassium and e.c is 1s2 2s2 2p6 3s2 3p6 4s1 and [Ar] 4s1 or(2,8,8,1)

it belongs to Group 1 (alkali metals) and period is 4 and belongs to s block and its o.s. is +1

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