CBSE Class 10 Science Chapter 5 Periodic Classification of Elements Multiple Choice Questions with Answers. MCQ Class 10 Science Periodic Classification of Elements with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 10 Science Periodic Classification of Elements MCQs with Answers to know their preparation level.
Multiple Choice Questions - Set - 5
Question 1:
Mendeleev’s classification was based on.
(a) Increasing atomic mass
(b) Decreasing atomic number
(c) Increasing atomic number
(d) Decreasing atomic mass
Correct Answer – (A)
Question 2 :
The element which has least tendency to lose electron is
(a) H
(b) Li
(c) He
(d) Ne
Correct Answer – (C)
Question 3 :
How many elements are placed in lanthanide and actinide series?
(a) 57, 89
(b) 14, 14
(c) 89, 57
(d) 14, 16
Correct Answer – (B)
Question 4 :
Name the neutral atom in the Periodic Table which has the same number of electrons as K+ and Cl–.
(a) Helium
(b) Argon
(c) Neon
(d) Krypton
Correct Answer – (B)
Question 5 :
The elements A, B and C belong to groups 1, 14 and 17 respectively of the Periodic Table. Which two elements will form ionic compounds?
(a) A and B
(b) A and C
(c) B and C
(d) None
Correct Answer – (B)
Question 6 :
The metal which is hard and has high melting point and used in filaments of electrical bulbs is
(a) Ni
(b) Fe
(c) Pt
(d) W
Correct Answer – (D)
Question 7 :
Which of the following elements of noble gases participate in chemical reaction?
(a) Kr, Rn
(b) He, Kr
(c) Rn, He
(d) He, Ne
Correct Answer – (A)
Question 8 :
An element X has mass number 40 and contains 21 neutrons in its atom. To which group of the Periodic Table does it belong?
(a) Group 1
(b) Group 4
(c) Group 2
(d) Group 3
Correct Answer – (A)
Question 9 :
Which one of the following statements is not correct about the trends in the properties of the elements of a period on going from left to right?
(a) The oxides become more acidic
(b) The elements become less metallic
(c) There is an increase in the number of valence electrons
(d) The atoms lose their electrons more easily
Correct Answer – (D)
Question 10 :
The law of the modern periodic table was proposed by:
(a) H.G.I Moselly
(b) Dobereincer
(c) D.I. Mendeleev
(d) Newlands
Correct Answer – (A)
- NCERT Solutions Class 10 Science Chapter 1 : Chemical Reactions and Equation
- NCERT Solutions Class 10 Science Chapter 2 : Acids, Bases & Salts
- NCERT Solutions Class 10 Science Chapter 3 : Metals and Non-metals
- NCERT Solutions Class 10 Science Chapter 4 : Carbon And Its Compounds
- NCERT Solutions Class 10 Science Chapter 5 : Periodic Classification of Elements
- NCERT Solutions Class 10 Science Chapter 6 : Life Precesses
- NCERT Solutions Class 10 Science Textbook Download
