EASY
10th ICSE
IMPORTANT
Earn 100

The following table shows the electronic configuration of the elements.

Element  W X Y Z

Electronic

configurations

 2, 8, 1 2, 8, 7 2, 5 1

Answer the following question based on the table above.

What is the formula of the compound formed between 

(1) X and Z (2) W and X

Important Questions on Chemical Bonding

MEDIUM
10th ICSE
IMPORTANT
Selina Icse Concise Chemistry For Class 10>Chapter 2 - Chemical Bonding>Intext Questions>Q 2
Define an electrovalent bond.
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Chemistry For Class 10>Chapter 2 - Chemical Bonding>Intext Questions>Q 2
Define a covalent bond.
HARD
10th ICSE
IMPORTANT
Selina Icse Concise Chemistry For Class 10>Chapter 2 - Chemical Bonding>Intext Questions>Q 3
What are the conditions for the formation of an electrovalent bond ? 
MEDIUM
10th ICSE
IMPORTANT
Selina Icse Concise Chemistry For Class 10>Chapter 2 - Chemical Bonding>Intext Questions>Q 4
An atom X has three electrons more than the noble gas configuration. What type of ion will it form ? Write the formula of its sulphate. 
MEDIUM
10th ICSE
IMPORTANT
Selina Icse Concise Chemistry For Class 10>Chapter 2 - Chemical Bonding>Intext Questions>Q 4
An atom X has three electrons more than the noble gas configuration. What type of ion will it form? Write the formula of its nitrate.
MEDIUM
10th ICSE
IMPORTANT
Selina Icse Concise Chemistry For Class 10>Chapter 2 - Chemical Bonding>Intext Questions>Q 4
An atom X has three electrons more than the noble gas configuration. What type of ion will it form? Write the formula of its phosphate.
MEDIUM
10th ICSE
IMPORTANT
Selina Icse Concise Chemistry For Class 10>Chapter 2 - Chemical Bonding>Intext Questions>Q 4
An atom X has three electrons more than the noble gas configuration. What type of ion will it form ? Write the formula of its carbonate.
MEDIUM
10th ICSE
IMPORTANT
Selina Icse Concise Chemistry For Class 10>Chapter 2 - Chemical Bonding>Intext Questions>Q 4
An atom X has three electrons more than the noble gas configuration. What type of ion will it form? Write the formula of its hydroxide.