Atomic number is protons + electrons
Mass number is protons + neutrons
So to calculate the number of neutrons, you do
atomic number - atomic mass
31 - 84 = - 53
Answer:
a ground state electron jumps to a higher energy level
The transfer of energy that occurs when a force is applied over a distance is WORK.
Hope this helps!
Answer:
The answer to your question is: Al, Si have the greatest and S, C have the smallest.
Explanation:
Atomic radius increases from right to left in the periodic table.
Atomic radius increases from the upper section to the lower section of the periodic table.
Order of the atomic radius from highest to lowest.
Al, Si, S and C
NaCl is just sodium and chlorine which is table salt. it depend on what you need the roman numerals for. is it asking to have the protons together in roman numerals?