EASY
9th ICSE
IMPORTANT
Earn 100

Define an electrovalent compound.

Important Questions on Chemical Bonding

EASY
9th ICSE
IMPORTANT

Define a covalent compound.

EASY
9th ICSE
IMPORTANT
An atom has two electrons more than the noble gas configuration. What type of ion will it form?
MEDIUM
9th ICSE
IMPORTANT
What type of compounds are usually formed between metals and non-metals and why? Mention the basic tendency of an atom which combines with other atoms.
MEDIUM
9th ICSE
IMPORTANT
In the formation of the compound XY2 an atom X gives one electron to each Y atom. What is the nature of bonds in XY2. Give two properties of XY2.
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9th ICSE
IMPORTANT
The electronic configuration of chloride ion is the same as that of an argon atom. What is the difference between the two?
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9th ICSE
IMPORTANT
Magnesium chloride is an ionic compound while hydrogen chloride is a covalent compound. But both form ions in their aqueous solutions. Explain.
MEDIUM
9th ICSE
IMPORTANT

Elements A, B and C have atomic numbers 9, 20 and 10 respectively.
 Stale which one is (i) a non-metal (ii) a metal (iii) chemically inert

MEDIUM
9th ICSE
IMPORTANT

Elements A, B and C have atomic numbers 9, 20 and 10 respectively.

Write down the formula of the compound formed by two of the above elements.