Multiple choice

Which of the following statements is/are correct?

(a). Naturally occurring oxygen is a mixture of atoms of slightly different masses called isotopes. (b). Formula mass and not molecular mass is used for a substance whose constituent particles are ions. (c). Basic radicals carry negative charge.

  1. (a) only

  2. (b) only

  3. (c) only

  4. (a) and (b)

  5. (b) and (c)
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct answer as both these statements are correct.

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