An atom's electron configuration ends with 3p2. If another atom has eight more electrons, what would be the continuation of the electron configuration? 3p24s23d6
3p64s23d2
3p63d24s2
3p23d64s2

In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?

How many protons, electrons, and neutrons are in each of the following isotopes? a. zirconium-90 b. palladium-108 c. bromine-81 d. antimony-123

650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal