8. An ion with 5 protons, 6 neutrons, and a charge of 3+ has an atomic number of
a) 5
b) 6
c) 8
d) 11
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Atomic number = The number of proton in an atom or ion so the right answer is 5!

question: ray weighs 100 kilograms, his wrestling partner, bobby, weighs 50 kilograms. if ray moves at 4 m s , how fast will bobby have to run at him to apply an equal amount of kinetic energy?

answer: 8 m/s he needs to run twice as fast to keep up so he has some work to do

explanation:   if the mass has units of kilograms and the velocity of meters per second, the kinetic energy has units of kilograms-meters squared per second squared.

question answered by

(jacemorris04)