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devlian [24]
3 years ago
10

2. What is the approximate mass of an atom that

Chemistry
2 answers:
mario62 [17]3 years ago
6 0
To get a relative mass of an atom the equation is (protons+neutrons) so 26+19 gives you 45
ratelena [41]3 years ago
3 0

Answer:

b. 45 u

Explanation:

the mass of an atom is equal to the protons plus neutrons:

26+19=45

hope this helps :)

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