Imagine you have a very large beach ball and a very small pebble such that the beach ball has a larger mass than the pebble. Which one will float in water? Which will sink? Explain why.

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.

the answers are

c and c