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  • 18-08-2022
  • Chemistry
Answered

Atomic composition QC
1)How is the mass number of an atom calculated?
*protons plus neutrons*
2)Which atom would be neutral?
*an oxygen atom with 8 electrons, 8 protons, and 9 neutrons*
3)A nitrogen ion has a mass of 14 and a charge of +2. Which subatomic particles does it contain?
*7 protons, 7 neutrons, and 5 electrons*
4)Which option is an isotope with 6 protons and 8 neutrons?
*carbon-14*



Answer :

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