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Question

Which of the following numbers represent the atomic mass of calcium?

This question was previously asked in
RRB NTPC 2024 Undergraduate CBT 1 Question Paper (29-Aug-2025) (Shift 1)
The correct answer is

40.08

The atomic mass of calcium (Ca) is approximately 40.08 u.

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Similar Questions

  1. Metals are placed on which side of the Modern Periodic Table?
  2. The credit for classifying the elements on the basis of their atomic masses goes to:

Important Questions from Periodic Classification

  1. What is another name for representative elements?
  2. Which of the following statements is NOT correct with reference to the periodic trend of metallic character?
  3. Which of the following statements is NOT correct with reference to the p-block elements?
  4. Where did Mendeleev arrange the elements in the periodic table with similar properties?
  5. What was the unknown element under aluminium called?
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