caileecarter1
caileecarter1 caileecarter1
  • 02-06-2021
  • Chemistry
contestada


What does the number 7 mean in the following example-73Li?
a. The number of protons
b. The atomic mass
c. The atomic number
d. The number of electrons

Respuesta :

unknown767
unknown767 unknown767
  • 05-06-2021

Answer:

7 is the mass number of li and 3 is the atomic number

a 3

b 7

c 3

d 4

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