MCQ Practice – Class 6 to 10

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Quiz – Periodic Classification of Elements

Time: 00:00

Q1. Non-metals are found on which side?

A. Right B. Left C. Bottom D. Middle

Q2. Which group contains noble gases?

A. Group 14 B. Group 18 C. Group 1 D. Group 4

Q3. Which element has atomic number 19?

A. Calcium B. Potassium C. Magnesium D. Sodium

Q4. Modern periodic table is based on:

A. Valency B. Density C. Atomic mass D. Atomic number

Q5. Which element forms a negative ion easily?

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

Q6. Which element belongs to Group 14?

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

Q7. Which of these is an alkaline earth metal?

A. Li B. K C. Na D. Ca

Q8. Döbereiner grouped elements into:

A. Pentads B. Triads C. Octaves D. Periods

Q9. Which element has atomic number 12?

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

Q10. Increasing electronegativity in a period is due to:

A. Decrease in atomic radius B. Increase in atomic radius C. Decrease in nuclear charge D. Increase in metallic character