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What is the mass number of an atom that consists of 20 protons, 20 neutrons, and 18 electrons?

What is the mass number of an atom that consists of 20 protons, 20 neutrons, and 18 electrons?
asked 165k views
1 vote
What is the mass number of an atom that consists of 20 protons, 20 neutrons, and 18 electrons?

asked
User Prakashchhetri
by
7.8k points

1 Answer

5 votes

Answer:

C)a mass number of 38

Step-by-step explanation:

yes

answered
User Kaveri
by
8.5k points
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