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Atoms and Molecules — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceAtoms and Molecules1 Mark
MCQ
What is the atomic mass (u) of chlorine:
  • A
    34
  • B
    35.5
  • C
    33
  • D
    35
✓

Answer

  1. 35.5

Explanation:

Chlorine is a chemical element with the symbol Cl and atomic number 17.

The second-lightest of the halogens, it appears between fluorine and bromine in the periodic table and its properties are mostly intermediate between them.

The atomic mass (u) of Chlorine is 35.5u.

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