Can someone , ? ?
chemistry

1. the periodic table is based on an element's
a. molecular size.
b. molecular mass.
c. atomic mass.
d. atomic number.

2. one atom of silicon can properly be combined in a compound with
a. two atoms of oxygen.
b. one atom of chlorine.
c. three atoms of hydrogen.
d. four atoms of calcium.

24 points and brainliest to anyone who can answer under 10 minutes with best ! the table below shows the role of different substances during photosynthesis. substance role during photosynthesis glucose stores chemical energy water combines with glucose to form carbon dioxide chlorophyll traps sunlight which of the following statements would correct one of the roles listed in the table? glucose combines with carbon to form water. chlorophyll reacts with light to produce carbon dioxide. water combines with carbon dioxide during photosynthesis. chlorophyll stores chemical energy needed for photosynthesis.

Explanation for basic character?

If anyone would be able to me out with these three questions it would be these are from the chem 2202 course.