Nishi Arora Solutions for Chapter: Atomic Structure, Exercise 4: TEST Yourself

Author:Nishi Arora

Nishi Arora Chemistry Solutions for Exercise - Nishi Arora Solutions for Chapter: Atomic Structure, Exercise 4: TEST Yourself

Attempt the practice questions on Chapter 4: Atomic Structure, Exercise 4: TEST Yourself with hints and solutions to strengthen your understanding. ICSE Chemistry solutions are prepared by Experienced Embibe Experts.

Questions from Nishi Arora Solutions for Chapter: Atomic Structure, Exercise 4: TEST Yourself with Hints & Solutions

MEDIUM
8th ICSE
IMPORTANT

Show the formation of lithium-ion. (Atomic number of Li=3)

MEDIUM
8th ICSE
IMPORTANT

Show the formation of sodium-ion. (Atomic number of Na = 11).

MEDIUM
8th ICSE
IMPORTANT

Show the formation of aluminium-ion. (Atomic number of Al =13)

MEDIUM
8th ICSE
IMPORTANT

Show the formation of sulphide-ion. (Atomic number of S =16)

MEDIUM
8th ICSE
IMPORTANT

Show the formation of chloride-ion. (Atomic number of Cl = 17)

MEDIUM
8th ICSE
IMPORTANT

Show the formation of oxide-ion. (Atomic number of O = 8)

HARD
8th ICSE
IMPORTANT

 State whether the following statement is true or false. If false, rewrite the correct form of statements.

 The atomic number of calcium is 20. So, its electronic configuration is 2,8,8,2.

HARD
8th ICSE
IMPORTANT

State whether the following statement is true or false. If false, rewrite the correct form of statements.

A chloride ion is positively charged.