Question Paper
Class / Subject: Class 10 (SSC) · Science and Technology (विज्ञान आणि तंत्रज्ञान)
Chapter: Chapter 2 — Chapter 2: Periodic Classification of Elements
Time Allowed: 32 minutes
Max Marks: 16
1. How did Mendeleev arrange his periodic table? [1]
(A) By atomic mass
(B) By atomic number
(C) By colour
(D) Randomly
2. How is the modern periodic table arranged? [1]
(A) By atomic number
(B) By atomic mass only
(C) By colour
(D) Randomly
3. What do elements in the same group share? [1]
(A) Similar chemical properties
(B) Completely different properties
(C) No relationship
(D) Only physical size similarity
4. Why do group elements have similar properties? [1]
(A) Same number of valence electrons
(B) Same atomic mass always
(C) Same colour
(D) Random chance
5. What is a group in the periodic table? [1]
(A) A vertical column
(B) A horizontal row
(C) A single element
(D) The entire table
6. What is a period in the periodic table? [1]
(A) A horizontal row
(B) A vertical column
(C) A single element
(D) The entire table
7. What happens to properties across a period? [1]
(A) They gradually change
(B) They stay identical
(C) They reverse randomly
(D) Nothing changes
8. Why learn about periodic classification? [1]
(A) To predict properties and understand chemistry systematically
(B) No reason
(C) It's not useful
(D) Only for tests
9. How did Mendeleev arrange his periodic table? [1]
(A) By atomic mass
(B) By atomic number
(C) By colour
(D) Randomly
10. How is the modern periodic table arranged? [1]
(A) By atomic number
(B) By atomic mass only
(C) By colour
(D) Randomly
11. What do elements in the same group share? [1]
(A) Similar chemical properties
(B) Completely different properties
(C) No relationship
(D) Only physical size similarity
12. Why do group elements have similar properties? [1]
(A) Same number of valence electrons
(B) Same atomic mass always
(C) Same colour
(D) Random chance
13. What is a group in the periodic table? [1]
(A) A vertical column
(B) A horizontal row
(C) A single element
(D) The entire table
14. What is a period in the periodic table? [1]
(A) A horizontal row
(B) A vertical column
(C) A single element
(D) The entire table
15. What happens to properties across a period? [1]
(A) They gradually change
(B) They stay identical
(C) They reverse randomly
(D) Nothing changes
16. Why learn about periodic classification? [1]
(A) To predict properties and understand chemistry systematically
(B) No reason
(C) It's not useful
(D) Only for tests