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Atoms and Molecules — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceAtoms and Molecules1 Mark
MCQ
Molecules made up of two or more elements are called:
  • A
    Ions
  • ✓
    Compounds
  • C
    Mixture
  • D
    Both $a$ and $c$
✓

Answer

Correct option: B.
Compounds

A substance consisting of atoms or ions of two or more different elements in definite proportions joined by chemical bonds into a molecule is known as compound.
The elements cannot be separated by physical means.
Water, for example, is a compound having two hydrogen atoms and one oxygen atom per molecule.

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