The number of electrons and neutrons of an element is $18$ and $20$ respectively. Its mass number is
- A$38$
- B$37$
- C$2$
- D$17$
Explore More
Similar Questions
How many neutrons and protons are there in the following nuclei?
$_{6}^{13}C, _{8}^{16}O, _{12}^{24}Mg, _{26}^{56}Fe, _{38}^{88}Sr$
$_{6}^{13}C, _{8}^{16}O, _{12}^{24}Mg, _{26}^{56}Fe, _{38}^{88}Sr$
Medium
View SolutionChemical behaviour of an atom is determined by
Easy
View SolutionHow is an atom represented using notation? Provide an example.
Medium
View Solution$Mg^{2+}$ is isoelectronic with
Atomic weights of carbon,nitrogen and oxygen are $12, 14$ and $16$ respectively. An atom of atomic weight $14$ and nuclear charge $+6$ is an isotope of
Medium
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo