Science, asked by dt611893, 2 months ago

Write the atomic number,symbol,E.Cabd valency of first 20 elements?

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Answered by niatythakur962

2

Answer:

I hope it will help you .

Explanation:

19 , potassium, s K , ano. 19, EC 2 8 8 1, v 1

20, calcium ,s Ca , ano. 20 , EC 2882 , v 1

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Answered by kalivyasapalepu99

2

HEY MATE THE ANSWER IS IN THE PICTURE

PLEASE MARK THIS ANSWER AS BRAINLIEST

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