20 POINTS PLEASE ANSWER

What trend does the first ionization energy follow in the periodic table?

a it increases when going down a group

b it decreases when going across a family

c it decreases when gpoing down a group

d it stays the same within a family

PLEASE ANSWER I CANT FIGURE THIS ONE OUT

ITS C I GOT IT RIGHT NVM

Listenbase your answer to the question on the information below. nuclear radiation is harmful to living cells, particularly to fast-growing cells, such as cancer cells and blood cells. an external beam of the radiation emitted from a radioisotope can be directed on a small area of a person to destroy cancer cells within the body. cobalt-60 is an artificially produced radioisotope that emits gamma rays and beta particles. one hospital keeps a 100.0-gram sample of cobalt-60 in an appropriate, secure storage container for future cancer treatment. which choice represents the correct product for the beta decay of the co-60? fe-60ni-60fe-61ni-61