Chemistry
cyndeeconnely
89

Boron occurs naturally as two isotopes. What is the difference between these isotopes? a)They have different numbers of electrons and different charges. b)They have different numbers of neutrons and different charges. c)They have different numbers of protons and different mass numbers. d)They have different numbers of neutrons and different mass numbers.

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(1) Answers
blythekiara

d) They have different numbers of neutrons and different mass numbers.  Remember mass number is protons plus neutrons. The number of protons for an element will never change, however the number of neutrons can.

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