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Structure of Atom — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryStructure of Atom1 Mark
MCQ
By knowing the number of protons in a neutral atom, one can determine :
  • ✓
    The identity of the element.
  • B
    The number of neutrons in the atom.
  • C
    The number of common isotopes of the element.
  • D
    The atomic radius size.
✓

Answer

Correct option: A.
The identity of the element.
In a neutral atom, the number of protons is always the atomic number of the element and uniquely identifies the element. and in this, the number of positive protons and negative electrons is always equal.

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