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determine the number of protons.number if neutrons and number of electrons ​

Determine The Number Of Protonsnumber If Neutrons And Number Of Electrons class=

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Lithium:

# of protons: 3

# of neutrons: 4

# of electrons: 3

Silicon:

# of protons: 14

# of neutrons: 14

# of electrons: 14

Argon:

# of protons: 18

# of neutrons: 22

# of electrons: 18

EXPLANATION:

  • atomic number is equal to the number of protons
  • subtract the number of protons to the atomic mass to get neutrons
  • since the element is neutral, the number ofprotons and electrons are the same.  

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