Answer:
Since different isotopes of an element have different numbers of neutrons (but always the same number of protons) they have different mass numbers. Nitrogen-14 and nitrogen-15 are both stable isotopes of nitrogen. However, the other 5 isotopes are all unstable.
Answer:
I can't draw but you could draw 2 electrons in the first orbit and 3 electrons in the second orbit.
Explanation:
Answer:
tepo jds fnsdmv dfjv dfj pvjdf ifjv dfjv sdijghdfuiExplanation:
Answer:
One mole
Explanation:
It tells u the concentration