XI Chemistry Mcqs
Atomic Structure – Chapter # 03 – Test 04
- Question 1 of 101. An atom having electronic configuration 2,8,7 is most likely to show a valence of:
Right Answer! Good
Wrong Answer Correct Answer is : -1
- Question 2 of 102. On the basis of Hund's rule the electronic configuration Is2, 2S2, 2pxl, 2pyl, 2pzl represents:
Right Answer! Good
Wrong Answer Correct Answer is : Nitrogen
- Question 3 of 103. The knowledge of electro-negativities of elements helps in:
Right Answer! Good
Wrong Answer Correct Answer is : Knowing the nature of bond
- Question 4 of 104. Which of the following group of elements will form Anions readily:
Right Answer! Good
Wrong Answer Correct Answer is : F, CI, Br
- Question 5 of 105. How many sub-shells are present in the M-shell:
Right Answer! Good
Wrong Answer Correct Answer is : 3
- Question 6 of 106. Principle quantum number specifies:
Right Answer! Good
Wrong Answer Correct Answer is : The energy level in which the electron is in
- Question 7 of 107. An atom of potassium (K) consists of 19 electrons, 19 protons and 20 neutrons. The mass number of this atom is:
Right Answer! Good
Wrong Answer Correct Answer is : 39
- Question 8 of 108. The sub shell, which can accommodate a maximum number of 14 electrons is called:
Right Answer! Good
Wrong Answer Correct Answer is : f
- Question 9 of 109. Which shell is nearest to the nucleus of the atom:
Right Answer! Good
Wrong Answer Correct Answer is : K
- Question 10 of 1010. An atom becomes Anion by:
Right Answer! Good
Wrong Answer Correct Answer is : Gaining one or more electrons