Question

Q. Calculate the number of electrons and protons in 240g of mg²+ ions?

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Answer 1

A magnesium ion, Mg2+, has A) 24 protons and 22 electrons. .

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Answer 2

Answer:

Let,

24gm of magnesium contains N  

A

​  

 atoms

∴48gm magnesium contains=2N  

A

​  

 atoms

Mg  

2+

 ion wil contain =12−2=10 electron

Hence, 2N  

A

​  

 Mg  

2+

-ions will contain =10×2=20N  

A

​  

 electrons

Explanation: