Sasha777
Sasha777 Sasha777
  • 13-11-2019
  • Chemistry
contestada

Help me please with these two questions

Help me please with these two questions class=

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jhkem
jhkem jhkem
  • 13-11-2019
I can’t rlly see it
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kathryn02 kathryn02
  • 13-11-2019

The first question is isotopes

Explanation:

Elements that have the same atomic number but different atomic masses are isotopes. isotopes of the same element have nearly identical chemical properties (because they have the sme numberof protons and electrons). their only difference is the number of neutrons, which changes their nuclear properties like radioactivity.

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