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

PDF chapter test TRY NOW

1. Isotopes of element have –

The same physical properties
Different atomic
Different number of neutrons
Different chemical properties

2. Which one of the following is a correct electronic configuration of calcium –

2, 8, 8, 1
2, 6, 8, 2
2, 8, 2, 8
2, 8, 8, 2

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