Can someone explain this simpiler?

b. th3 n4zc4 pl4t3 15 c0nv3rg1ng w1th the s0uth 4m3ric4n pl4t3.

i believe it is c.) 1575 j.

periodic trends is an atom that gets larger as the number of electronic shells increase, the radius of atoms increases as you go down a certain group in the periodic table of elements. in general, the size of an atom will decrease as you move from left to right of a certain period.

it would be d. henry moseley

hope this !

and sorry if i'm late. have a good rest of your day! : d