The answer should be A.
Hope this helps :-)
I think the answer might be nuclear physics
Answer:
1.14 M
Explanation:
grams/molar mass = ans. / volume
317/110.98=2.86/2.50=1.14 M
- Hope that helps! Please let me know if you need further explanation.
In a neutral atom they are both equal, and their even quantities makes the atom neutral...
Protons = 20
Electron = 20
Neutrons = 20
Hope this Helps :)