How many carbon atoms are in four molecules of glucose, or 4c6h12o6?

12 carbon atoms

Explanation:

Atom is the smallest unit of matter which may or may not have independent existence. Example:

Molecule is the smallest unit of matter which has a independent existence.Example:

1 molecule of has 6 atoms of carbon

Thus if 1 molecule of has carbon atoms = 3

4 molecules of has total of =

Thus there are 12 carbon atoms in four molecules of glucose.

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a electronegativity decreases beacuse the size of nucleus is bigger.