HARD
10th CBSE
IMPORTANT
Earn 100

What is the electronic structure of the molecule of carbon dioxide?

Important Questions on Elementary Idea of Bonding

HARD
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 2 - Elementary Idea of Bonding>EXERCISES>Q 1
Distinguish between ionic and covalent compounds.
EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 2 - Elementary Idea of Bonding>EXERCISES>Q 2
Describe the bond that holds two hydrogen atom together in a hydrogen molecule H2.
MEDIUM
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 2 - Elementary Idea of Bonding>EXERCISES>Q 3
Two argon atoms do not form a covalent bond to give an argon molecule Ar2. Why?
HARD
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 2 - Elementary Idea of Bonding>EXERCISES>Q 4
The elements W, X, Y & Z  have atomic numbers 7, 9, 10 & 11 respectively. Write the formula of the compound you would expect to be formed between the following pairs of elements and indicate the type of bonding present.
a) W & X
b) X & X
c) W & Z
d) Y & Y
HARD
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 2 - Elementary Idea of Bonding>EXERCISES>Q 5
The elements X & Y has following configurations –
X- 2,6
Y- 2,8,8,2
What is the nature of the bond between X & Y.
HARD
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 2 - Elementary Idea of Bonding>EXERCISES>Q 6
A metal A (atomic number 19) burns with chlorine to produce a white solid chloride B. By means of diagrams show the arrangements of electrons in A both before and after the reaction.
HARD
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 2 - Elementary Idea of Bonding>EXERCISES>Q 7
Distinguish between an atom and an ion.
MEDIUM
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 2 - Elementary Idea of Bonding>EXERCISES>Q 8
How are covalent bond forms?