The atomic numbers of elements and b are 12 and 8 resepectively . They combine together write down the formula and nature of bonding in the compound.
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a with atomic no 12 is Magnesium (Mg).
b with atomic no 8 is Oxygen (O).
when they combine
2Mg + O2 gives 2MgO.
It's ionic bonding because Mg has a valency of 2 positive while O has a valency of 2 negative .
b with atomic no 8 is Oxygen (O).
when they combine
2Mg + O2 gives 2MgO.
It's ionic bonding because Mg has a valency of 2 positive while O has a valency of 2 negative .
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