Question

*Who is different from us?*

1️⃣ MgO
2️⃣ CaO
3️⃣ NaCl
4️⃣ K₂O​

Answer 1

Answer:

K2O

*Who is different from us?*

1️⃣ MgO

2️⃣ CaO

3️⃣ NaCl

4️⃣ K₂O

Explanation:

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Answer 2

Answer:

Correct option is

A

6

For sodium chloride, there are 6 anions around each cation (coordination number of Na=6) because of the 1:1 stoichiometry, there must also be 6 cations around each Cl

−

ion.

Similarly, Mg

2+

O

−2

also has the octahedral structure and follows NaCl type geometry. Therefore, the co-ordination number of Mg is also 6.