URGENT!! Which equation represents a fission reaction?
0 14/7 N plus 1/1 H right arrow 15/8 O.
0 235/92 U plus 140/55 Cs > 94/37 Rb plus 2 1/0 N
0 9/4 Be plus 4/2 He > 12/6 C plus 1/0 N
0 239/93 Np > 239/94 Pu + 0/-1 e

If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a

The p sub shell can hold up to 8 electrons in an atom. true or false?

Which of the following ocean acidification? are the most likely side effects of a ph less than 7.0 in the ocean b. more metal salts altering the ocean chemistry c. dissolution of the shells of marine organisms d. both a & b e. all of the above.