An atom of copper is represented by ⁶⁵₂₉Cu and to find the number of neutrons:
number of neutrons = 65 - 29 = 36
The mass of an atom is equal to the number of neutrons and protons in the nucleus.
65 represents the mass of Cu and 29 represents the number of protons.
so the number of neutrons is 36.
Water vapor is on delivered in your room number so you don’t need it for your phone number though you need
Answer: C
Explanation:
Don’t trust the other person it’s not A