The number of electrons in a neutral atom is equal to the number of protons. The mass number of the atom (M) is equal to the sum of the number of protons and neutrons in the nucleus. The number of neutrons is equal to the difference between the mass number of the atom (M) and the atomic number. Therefore, it is true!
B. because the heavier an object the stronger the gravitational pull is
Answer:
B
Explanation:
bIrish Kaleb picked Lucian usual
Answer:
The correct option is B. an alpha particle.
Explanation:
When ²³Na is bombarded with protons 
, ²⁰Ne and one alpha particle 
is released.
The reaction is as follows:
Therefore, an alpha particle and ²⁰Ne are released when ²³Na is bombarded with protons.
