Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Medical
  • The energy of is required to remove one of the electrons fr

The energy of \mathrm{24.6\ \mathrm{ev}} is required to remove one of the electrons from a neutral helium atom. The energy (in \mathrm{ \mathrm{ev}}) required to remove both the electrons from a neutral helium atom is:-

Option: 1

\mathrm{79.0}


Option: 2

\mathrm{51.8}


Option: 3

\mathrm{49.2}


Option: 4

\mathrm{38.2}


Answers (1)

best_answer

The ionisation energy of helium atom.
\mathrm{=13.6 \mathrm{z}^2=13.6 \times 2^2=54.4\ \mathrm{ev}}
so that total energy needed to remove both the 
electrons from helium atom \mathrm{=24.6+54.4}
                                            \mathrm{=79.0\ ev}

Posted by

Devendra Khairwa

View full answer

NEET 2024 Most scoring concepts

    Just Study 32% of the NEET syllabus and Score up to 100% marks

Similar Questions

Trending Articles/News

anam-khan

‘Re-NEET must be secure, transparent and fool proof’: Dharmendra Pradhan at review meeting
anam-khan

NEET UG 2026 Re-exam on June 21; top medical colleges with lowest MBBS fees
anam-khan

Re-NEET Exam 2026 LIVE: Re-test on June 21; CBI probes NTA leak link, official guidelines, correction window

Latest Question