Answer: No
Explanation:
The number of neutrons is equal to the difference between the mass number of the atom (M) and the atomic number (Z).
Answer:
have moon except merc and Venus
B is correct. Ever wondered why ice floats in water?
Answer:
F = 0N
Explanation:
The force between two charges is given by

where r is the distance between the charges and K is the Coulomb's constant
(k=8-89*10^9Nm^2/C^2)
The force in the first charge is only the sum of the forces due to the other charges. Hence we have


Ft=0N
Hope this helps!!