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Chemistry CBSE Live product
Class 10
Metals and non-metals
Ionic compounds
1.
Reaction of metals and non-metals
Question:
2
m.
Choose the correct answer:
1
.
Which of the following elements has a similar electron configuration to neon?
Boron
Hydrogen
Carbon
Argon
2
.
Why is the formula of magnesium chloride written as \(MgCl_2\)?
Because chlorine forms two bonds
To balance the \(+2\) charge of \(Mg^{2+}\) with two \(Cl^-\) ions
Because magnesium needs two chlorine atoms for stability
Because chlorine donates two electrons
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