If $W$ is the mass number and $N$ is the atomic number of an element,then:

  • A
    Number of electrons $= W - N$
  • B
    Number of neutrons $= W - N$
  • C
    Number of protons $= W - N$
  • D
    Number of neutrons $= N$

Explore More

Similar Questions

Symbols $_{35}^{79} Br$ and $^{79} Br$ can be written,whereas symbols $_{79}^{35} Br$ and $^{35} Br$ are not acceptable. Answer briefly.

If the number of neutrons in $_{8}O^{16}$ is doubled and the number of electrons is halved,what is the percentage change in its mass?

Nuclear reactivity of $Na$ and $Na^+$ is same because both have

To differentiate between carbon-$12$,carbon-$13$ and carbon-$14$,the instrument that you would use is

$A$: Atoms with the same mass number but different atomic numbers are called isobars.
$R$: In isobars,the sum of protons and neutrons is always different.

Difficult
View Solution

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo