MCQ Practice – Class 6 to 10

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Quiz – Periodic Classification of Elements

Time: 00:00

Q1. Which element has atomic number 17?

A. Sodium B. Chlorine C. Bromine D. Fluorine

Q2. Which element has the largest atomic size in Period 3?

A. Sodium B. Aluminium C. Silicon D. Magnesium

Q3. Which is the heaviest noble gas?

A. Neon B. Krypton C. Argon D. Radon

Q4. Halogens belong to:

A. Group 18 B. Group 17 C. Group 2 D. Group 1

Q5. Which of these belongs to Group 1?

A. Na B. Cl C. Ca D. Mg

Q6. Valency of Group 17 elements is:

A. 1 B. 2 C. 3 D. 7

Q7. Elements in the same group show similar:

A. Atomic masses B. Chemical properties C. Densities D. Colour

Q8. Which element belongs to Group 14?

A. Fluorine B. Sodium C. Silicon D. Neon

Q9. Which is the lightest element?

A. Carbon B. Helium C. Oxygen D. Hydrogen

Q10. Elements with similar properties occur at:

A. Only in middle B. End of table C. Regular intervals D. Random intervals