Option 4. ratio of electrons to protons
Isotope that has atomic number of 82 is stable. An element that has an atomic number ∠82 more stable except Tc and Pm. Also there is the concept that isotopes consisting a combination of even-even,even-odd,odd-even, and odd-odd are all stable. Many isotopes with no magic numbers of nucleons are stable
Answer:
<h2>both of them</h2>
Explanation:
<h3>I hope it's helpful for you ✌</h3>
Answer: Answer:
Explanation:
Apparent magnitude does not take into account the fact that not all stars are the same distance from Earth.
Mechanical energy of a body is simply the combination of its kinetic energy and potential energy