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10Atoms are bound in compounds by a force called chemical bond.
Electrovalent bond is formed by sharing electrons.
Covalent bond is formed by sharing electrons between non-metals.
Sodium chloride is an electrovalent compound.
Water (H₂O) is a covalent compound.
Electrovalent compounds are formed from two non-metals.
Covalent compounds usually have low melting and boiling points.
Covalent compounds dissolve easily in water.
Methane (CH₄) molecule is formed by covalent bonds.
Ammonia (NH₃) has hydrogen atoms acquiring octet state.
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Chemical bond is:
Electrovalent bond is formed between:
Covalent bond is formed by:
Sodium chloride is:
Water molecule (H₂O) contains:
Which of the following is insoluble in water?
Which of these has high melting and boiling points?
Hydrogen chloride (HCl) molecule is formed by:
Methane (CH₄) forms:
Ammonia (NH₃) has nitrogen sharing:
Atoms are bound by a force called ______ bond.
Bond formed by transfer of electrons is called ______ bond.
Electrovalent compounds are formed from ______ and non-metal.
Sodium ______ one electron to form Na⁺ ion.
Chlorine ______ one electron to form Cl⁻ ion.
Water molecule (H₂O) is formed by ______ bond.
Covalent bond is formed by ______ electrons.
Hydrogen chloride (HCl) is a ______ compound.
Covalent compounds have ______ melting and boiling points.
Methane molecule (CH₄) is formed by sharing ______ pairs of electrons.