Chemistry, asked by Golusu, 8 months ago

write down the electro valeancy and co valency of the first 20 elements

Answers

Answered by s02371joshuaprince47
0

Answer:

Element                       Valency                  

Hydrogen                          1

Argon                                  2

Oxygen                               2

Calcium                               2

Potassium                           1

Sodium                                1

oxide                                    2

Sulphur                                 8

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Answered by sandeepgurung245351
0

Answer:

Hydrogen 1

Argon 2

Oxygen 2

Calcium 2

Pottasium1

Sodium 1

Oxide 8

Sulphur 2

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