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Atoms and Molecules — Science STD 9 — Question

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

Answer

Correct option: B.
$35.5$

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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