Science&technology

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1 point

In outer most orbit there are maximum 7 electrons

True

False

1 point

Eletronic configuration of chlorine is 2,8,7

True

False

1 point

Branz is element

True

False

1 point

James chadwick discovered neutron

True

False

1 point

Proton has positive charge

True

False

1 point

Hydrogen atom has one electron

True

False

1 point

electron has negative charge

True

False

1 point

Common salt is mixture

True

False

1 point

If sodium has atomic mass 23,the number of neutrons 12

True

False

10.

1 point

Carbon exists in three isotopic forms

True

False

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