When an atom in a reactant gains electrons, what happens to its oxidation number?
a).its oxidation number decreases.
b).its oxidation number doubles.
c).its oxidation number increases.
d).its oxidation number increases by one.
e).its oxidation number stays the same.

Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.

Which best describes how johannes kepler developed his laws of planetary motion

In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?