How many protons are in an element with an atomic number of 8 and a mass number of 18?
a. 8...
Mathematics, 01.10.2019 20:50, Derrielle6451
How many protons are in an element with an atomic number of 8 and a mass number of 18?
a. 8
b. 10
c. 18
d. 3
Answers: 2
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