Question

mass and atomocity of copper


and tell me the atomocity of all elements I should know for 9 class exam​

Answer 1

$\huge\mathfrak{Heya\: Mate}$

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$\huge{Copper}$

Mass = 63.546 u✔✔

Atomicity = 13✔✔

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U should know about such elements⬇⬇

$\huge{Oxygen}$

Atomicity = 2

$\huge{sulphur}$

Atomicity = 8

$\huge{Chlorine}$

Atomicity = 2

$\huge{Sodium}$

Atomicity = 1

$\huge{Helium}$

Atomicity = 1

$\huge{Hydrogen}$

Atomicity = 2

$\huge{Nitrogen}$

Atomicity = 2

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Hope This wiLL HeLp uhh ØuT❤