NTSE MCQs 2 on "Periodic Classification of Elements"

These are MCQs of (Periodic Classification of Elements) for 11th Class. Practice MCQs to check your knowledge for Entrance examination like NTSE etc.

1. Which of the following hydroxides are most basic:

• Be(OH)₂
• Mg(OH)₂
• Ca(OH)₂
• Ba(OH)₂

2. Which of the following is the correct order of size:

• I⁺ >I^- > I
• I^->I > I⁺
• I >I⁺ > I^-
• I >I^- > I⁺

3. Which of the following is the correct order of size:

• Cl< F< Br< I
• F< Cl< Br< I
• I
• Br< I< Cl< F

4. The lightest metal is :

• Li
• Na
• K
• Mg

5. Which of the following has most non metallic character:

• N
• C
• O
• F

6. The most metallic element in the fourth period is:

• Ca
• K
• S
• P

7. An element has 13 protons. The group and period to which it belongs:

• 3^rd period and 13^th group
• 2^nd period and 13^th group
• 3^rd period and 3^rd group
• 2^nd period and 3^rd group

8. Which of the following elements would lose an electron easily:

• K
• Na
• Ca
• Mg

9.Which of the following elements would accept an electron readily:

• F
• Cl
• Br
• I

10. Which is 1^st Group Element

• Na
• Mg
• Al
• Si