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Question
SSC CGL - 2024
GA-Geography

As per Mendeleev’s prediction, atomic mass of eka-aluminium was:

This question was previously asked in
SSC CGL 2024 (Tier-I) Previous Year Paper (17-Sep-2024) (Shift 3)
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The correct answer is

68

Mendeleev predicted eka-aluminium (Gallium) would have:

  • Atomic mass ≈ 68
  • Actual discovered atomic mass of Gallium: 69.723
  • This demonstrated the power of his periodic table predictions

Correct Answer:

✔️ 3. 68

Mendeleev's predicted atomic mass for eka-aluminium was 68, very close to Gallium's actual atomic mass.

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More Questions from SSC CGL
1)

Which one is the correct chronological order of the following events?

I. Quit India Movement

II. Shimla Conference

III. Poona Pact

IV. Cabinet Mission

2)

Which of the following ministries implements the Mid-day Meal scheme?

3)

The bisector of ∠B in ΔABC meets AC at D. If AB = 12 cm, BC = 18 cm and AC = 15 cm, then the length of AD (in cm) is:

4)

Five men and 2 boys can do in 30 days as much work as 7 men and 10 boys can do in 15 days. How many boys should join 40 men to do the same work in 4 days?

5)

Select the option in which the numbers are related in the same way as are the numbers of the following set.

(12, 60, 84)

6)

If y 2= y + 7, then what is the value of y 3?

7)

If sides of a triangle are 12 cm, 15 cm and 21 cm, then what is the inradius (in cm) of the triangle?

8)

Who is ‘he’ referred to in the first paragraph of the passage?

9)

Which of the following can help one to "take on" an empire?

10)

What led to the growth of the legend of Mahatma Gandhi among the Indians?

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