Match the following columns. Column I (Properties of Chlorine) Column II (Value) (i) Atomic number (a) 1 (ii) Total number of shells (b) 3 (iii) Atomic mass (approx.) (c) 7 (iv) Valency (d) 17 (v) Number of valence electrons (e) 35

(i) - d Chlorine is 17 th group element due to which it has atomic number of 17 and it is a halogen group element. (ii) - b Chlorine has electronic configuration 2 , 8 , 7 due to which it has 3 shells. (iii) - e Atomic mass of chlorine is 35 . 5 due to which its approx can be taken as 35 . (iv) - a Chlorine outermost electron is 7 due to which its valency is 1 . (v) - c Chlorine is 17 th group element due to which its valence electron is 7. Column I (Properties of Chlorine) Column II (Value) (i) Atomic number (d) 17 (ii) Total number of shells (b) 3 (iii) Atomic mass (approx.) (e) 35 (iv) Valency (a) 1 (v) Number of valence electrons (c) 7

E M B I B E

All In One ICSE Chemistry>Chapter 4 - Atomic Structure and Chemical Bonding>CHAPTER EXERCISE>Q 3

EASY

9th ICSE

IMPORTANT

Earn 100

In a neutral atom, the atomic number is equal to the number of (Generally atomic number is equal to the number of protons).

50% studentsanswered this correctly

Important Questions on Atomic Structure and Chemical Bonding

EASY

9th ICSE

IMPORTANT

All In One ICSE Chemistry>Chapter 4 - Atomic Structure and Chemical Bonding>CHAPTER EXERCISE>Q 5

Deuterium and tritium are _____ of hydrogen.

EASY

9th ICSE

IMPORTANT

All In One ICSE Chemistry>Chapter 4 - Atomic Structure and Chemical Bonding>CHAPTER EXERCISE>Q 6

_____ bond is formed by the mutual sharing of electrons between the combining atoms of the same or different elements.

EASY

9th ICSE

IMPORTANT

All In One ICSE Chemistry>Chapter 4 - Atomic Structure and Chemical Bonding>CHAPTER EXERCISE>Q 7

Which of the following rays is deflected under electric field?

EASY

9th ICSE

IMPORTANT

All In One ICSE Chemistry>Chapter 4 - Atomic Structure and Chemical Bonding>CHAPTER EXERCISE>Q 8

Thomson's atomic model is also called

EASY

9th ICSE

IMPORTANT

All In One ICSE Chemistry>Chapter 4 - Atomic Structure and Chemical Bonding>CHAPTER EXERCISE>Q 9

Distribution of electrons into different shells of an atom was suggested by

EASY

9th ICSE

IMPORTANT

All In One ICSE Chemistry>Chapter 4 - Atomic Structure and Chemical Bonding>CHAPTER EXERCISE>Q 10

The formula used to represent the maximum number of electrons present in a shell

EASY

9th ICSE

IMPORTANT

All In One ICSE Chemistry>Chapter 4 - Atomic Structure and Chemical Bonding>CHAPTER EXERCISE>Q 11

Which isotope of hydrogen is used in making heavy water?

EASY

9th ICSE

IMPORTANT

All In One ICSE Chemistry>Chapter 4 - Atomic Structure and Chemical Bonding>CHAPTER EXERCISE>Q 12

Match the following columns.

Column I (Properties of Chlorine)	Column II (Value)
(i) Atomic number	(a) $1$
(ii) Total number of shells	(b) $3$
(iii) Atomic mass (approx.)	(c) $7$
(iv) Valency	(d) $17$
(v) Number of valence electrons	(e) $35$

Learn and Prepare for any exam you want !

|

|

|

|

|

|

|

|