In the nucleus of $_{20}Ca^{40}$,there are:
- A$40$ protons and $20$ electrons
- B$20$ protons and $40$ electrons
- C$20$ protons and $20$ neutrons
- D$20$ protons and $40$ neutrons
Explore More
Similar Questions
Which of the following is $NOT$ a hydrogen-like species?
Calculate the number of electrons,protons,and neutrons in $Cl_{2}$,$Cl$,and $Cl^{-}$. (Given for $Cl$: $Z = 17$ and $A = 35$)
Easy
View SolutionWhich of the following does not contain a number of neutrons equal to that of $_{18}^{40}Ar$?
Medium
View SolutionChemical behaviour of an atom is determined by
Easy
View Solution$A$ sodium cation $(Na^+)$ has a different number of electrons from which of the following species?
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