Foundation Science Chemistry FOR CLASS 10>Chapter 2 - Elementary Idea of Bonding>EXERCISES>Q 6

HARD

10th CBSE

IMPORTANT

Earn 100

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.

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 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?

MEDIUM

10th CBSE

IMPORTANT

Foundation Science Chemistry FOR CLASS 10>Chapter 2 - Elementary Idea of Bonding>EXERCISES>Q 9

Sodium chloride dissolves in water while carbon tetrachloride doesn’t . Why?

MEDIUM

10th CBSE

IMPORTANT

Foundation Science Chemistry FOR CLASS 10>Chapter 2 - Elementary Idea of Bonding>EXERCISES>Q 10

How would you explain that CCl₄ is a bad conductor of electricity?

HARD

10th CBSE

IMPORTANT

Foundation Science Chemistry FOR CLASS 10>Chapter 2 - Elementary Idea of Bonding>EXERCISES>Q 11

Describe the electronic structures of

{CH}_{4}

and

{CO}_{2}

_.

HARD

10th CBSE

IMPORTANT

Foundation Science Chemistry FOR CLASS 10>Chapter 2 - Elementary Idea of Bonding>EXERCISES>Q 12

What is the role of valence electrons in the formation of chemical compound?

HARD

10th CBSE

IMPORTANT

Foundation Science Chemistry FOR CLASS 10>Chapter 2 - Elementary Idea of Bonding>EXERCISES>Q 13

Write down the formula of a compound formed by the combination of an element A of atomic number 12 with an element B of atomic number 17.

HARD

10th CBSE

IMPORTANT

Foundation Science Chemistry FOR CLASS 10>Chapter 2 - Elementary Idea of Bonding>EXERCISES>Q 14

State one test by which sodium chloride can be distinguished from carbon tetrachloride.