Multiple Choice Question Answer XXXXIII — task. Science CBSE, Class 9.

PDF chapter test TRY NOW

1. An atom which as a mass number of 14 & 8 neutrons is an -

Isotope of carbon
Isobar of carbon
Isotope of oxygen
Isobar of oxygen

2. The electronic configuration of \(Mn^+{^2}\) is -

2, 8, 13
2, 8, 11, 2
2, 8, 13, 2
None of these

Login or Fast registration

Previous exercise

Exit to the topic

Did you find an error?

Register for free to see more content

Register for free to see more content