An element X has 20 neutrons, 17 protons, and 17 electrons. Its mass n

1.	An element X has 20 neutrons, 17 protons, and 17 electrons. Its mass number is
Answer» ong>Answer: its MASS NUMBER is (20+17)=37

An element X has 20 neutrons, 17 protons, and 17 electrons. Its mass number is

Answer»

ong>Answer:

its MASS NUMBER is (20+17)=37