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Get Answers to all your Questions
Write the symbols of 30 electrons element to write their valency.​
Answers (1)
Zn has 30 electrons and the symbol is Zn.
Valence shell contains 2 electrons that is 4s2 which means that zinc can lose the two electrons located in the 4s-orbital to become the Zn2+ cation. So, the valency of Zinc is 2
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