EASY
10th CBSE
IMPORTANT
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Calcium oxide is a covalent compound.

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Important Questions on Elementary Idea of Bonding

MEDIUM
10th CBSE
IMPORTANT
Carbon tetrachloride is soluble in water.
EASY
10th CBSE
IMPORTANT
A solution of magnesium chloride conducts electricity. 
EASY
10th CBSE
IMPORTANT
Electropositive atoms lose electrons to form positive ions.
EASY
10th CBSE
IMPORTANT
Ionic compounds have low melting points.
EASY
10th CBSE
IMPORTANT
The number of valence electrons in the oxygen atom is two.
EASY
10th CBSE
IMPORTANT
Two atoms of hydrogen are held together in a hydrogen molecule by an ionic bond.
EASY
10th CBSE
IMPORTANT
The type of bonding in NaCl is covalent.
EASY
10th CBSE
IMPORTANT
Which electronic configuration favours the inert or noble behavior of elements?