What do the solid white and red balls in this model represent? H
H— — О
A. Planets and
the Sun
B. Electrons
C. Molecules
D. Atoms
PREVIOUS

c

Explanation:

C. Molecules

Explanation: Water is a compound that conatins molecules hydrogen and oxygen.

c. 75.7

i think that is the right

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.