EASY
9th ICSE
IMPORTANT
Earn 100

Explain:

Duplet rule for formation of Hydrogen.

Important Questions on Atomic Structure and Chemical Bonding

EASY
9th ICSE
IMPORTANT
Concise Chemistry Class 9>Chapter 4 - Atomic Structure and Chemical Bonding>EXERCISE 4(D)>Q 1
How do atoms attain noble gas configuration?
MEDIUM
9th ICSE
IMPORTANT
Concise Chemistry Class 9>Chapter 4 - Atomic Structure and Chemical Bonding>EXERCISE 4(D)>Q 4
An atom X has three electrons more than the noble gas configuration. What type of ion will it form?
EASY
9th ICSE
IMPORTANT
Concise Chemistry Class 9>Chapter 4 - Atomic Structure and Chemical Bonding>EXERCISE 4(D)>Q 5
Mention the basic tendency of an atom which makes it to combine with other atoms.
EASY
9th ICSE
IMPORTANT
Concise Chemistry Class 9>Chapter 4 - Atomic Structure and Chemical Bonding>EXERCISE 4(D)>Q 6

What type of compounds are usually formed between metals and non-metals and why?

EASY
9th ICSE
IMPORTANT
Concise Chemistry Class 9>Chapter 4 - Atomic Structure and Chemical Bonding>EXERCISE 4(D)>Q 10

Compare chlorine atom and chloride ion, with respect to their electrical state.

EASY
9th ICSE
IMPORTANT
Concise Chemistry Class 9>Chapter 4 - Atomic Structure and Chemical Bonding>EXERCISE 4(D)>Q 11
The electronic configuration of fluoride ion is the same as that of a neon atom. What is the difference between the two ?
EASY
9th ICSE
IMPORTANT
Concise Chemistry Class 9>Chapter 4 - Atomic Structure and Chemical Bonding>EXERCISE 4(E)>Q 1

Give an example of covalent bond formed by:

Similar atoms.

MEDIUM
9th ICSE
IMPORTANT
Concise Chemistry Class 9>Chapter 4 - Atomic Structure and Chemical Bonding>EXERCISE 4(E)>Q 5

Out of the following atomic numbers 4,8,10,15 and 19 which element can form the trivalent ion.