Answered

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Can someone plz help? Thanks so much!
An atom that contains 6 protons 6 neutrons and 6 electrons has a mass of approximately
1) 12 u
2) 12 g
3) 18 u
4) 18 g

Sagot :

scarlettgeorges02

Answer:

12 grams

Explanation:

Electrons do not contribute to mass. The proper unit to use is G

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