Aelement that starts with the letter c (from the periodic table)

C- carbon

Ca- calcium

Cl- chlorine

Co- cobalt

Cu- copper

Idk how many you need or you just needed carbon. Which is C

the answer would be c

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.