| 1 |
Which of the following are alkaline earth metals? |
- A. Be, Mg, Ca
- B. Li, Na, K
- C. Fe, CO, Ni
- D. B, Al, Ga
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| 2 |
Which is the longest periodic table |
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| 3 |
Which of the following statement is correct |
- A. Na atom is smaller than Na<sup>+</sup>
- B. Na atom is larger than K atom
- C. F atom is smaller than F<sup>-</sup>
- D. F atom is larger than F<sup>-</sup>
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| 4 |
The oxides of metal sare generally |
- A. Acidic
- B. Basic
- C. Neutral
- D. Amphoteric
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| 5 |
What are the total numbers of periods in the modern periodic table. |
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| 6 |
Number of elements in the first period of the periodic table is |
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| 7 |
Who gave the law of Triads in 1829? |
- A. Dobereiner
- B. Mosely
- C. Newland
- D. Mendeleev
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| 8 |
In which group, melting point and boiling point increase downward in a group |
- A. IA
- B. II A
- C. VII A
- D. Both a and b
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| 9 |
Hydrogen resembles in properties with |
- A. IA, IV A and VII A elements
- B. III A, IV A and V A elements
- C. II A, IV A and VI A elements
- D. II A, III A and VII A elements
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| 10 |
Correct order according to atomic size in the following is |
- A. Na > K
- B. Be > Mg
- C. O > N
- D. Cl > F
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