isaiahmichel489 isaiahmichel489

13-10-2017
Biology

contestada

If someone tells you they have a sample of niobium-90, can you tell how many neutrons are in the nucleus

Respuesta :

ejelonubenedict ejelonubenedict

13-10-2017

atomic number of nibium= 41
so neutron numbers= 90-41 = 49

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