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प्रश्न
How many electrons are required or released by each atom in calcium oxide to attain the nearest noble gas configuration?
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उत्तर
In Calcium oxide, oxygen needs 2 electrons.
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संबंधित प्रश्न
Fill in the blank.
___________ single covalent bonds are formed between the carbon and chlorine atoms.
Element X is a metal with a valency 2; Y is a non-metal with a valency 3.
(a) Write an equation to show how Y forms as ion
(b) If Y is a diatomic gas, write an equation for the direct combination of X and Y to form a compound.
State the following is a reduction reaction or oxidation reaction.
\[\ce{Cu -> Cu^2+}\]
Name an element which does not contain neutron.
Name the following:
Metal with valency 2
Explain
Octet rule for the formation of sodium chloride
Draw orbit structure diagram of sodium chloride (NaCl).
Write down the electronic configuration of
(i) chlorine atom (ii) chlorine ion
The element that would form cation due to the loss of electrons during the chemical reaction is ______.
The valency of noble gases is ______.
