Download App

Structure of the Atom — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceStructure of the Atom1 Mark
MCQ
............... of an element are the atoms of same element having same atomic number but different mass number.
  • A
    Isotope
  • B
    Isobar
  • C
    Isotone
  • D
    Isoelectron
✓

Answer

  1. Isotope

Explanation:

Isotopes are atoms that have the same atomic number but different mass numbers.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q. [1 M]" from Structure of the Atom→Structure of the Atom — all question types→Science STD 9 question papers→Gujarat Board STD 9 question papers→Gujarat Board question paper generator→

Similar questions

What can force do to an object?
→

Phloem is made of:

  1. Sieve tubes.
  2. Companion cells.
  3. Both of these.
  4. None of these.
→
In which of the following cases of motions, the distance moved and the magnitude of displacement are equal?
→

The cell wall of meristematic cell is made of:

  1. Protein
  2. Amino acid
  3. Peptidoglycan
  4. Cellulose
→
If frequency of a wave is 5 Hz, then it is:
→
Which of the following cannot travel through vacuum?
→
Action and reaction act on:
→
The force of attraction between two unit point masses separated by a unit distance is called
→
The atomic number of an element is 11. Therefore the number of electrons in the M-shell of its atom is:
→

Fertilizers cause:

  1. Eutrophication of water bodies.
  2. Killing of most microorganisms.
  3. Destruction of crumb structure of soil.
  4. All the above.
→