What description best matches democritus's idea of the atom? a particle that cannot be divided or destroyed
a particle split into equal portions
a gel with small particles spaced evenly throughout it
a combination of small particles joined together

In an oxidation-reduction reaction, oxidation is what happens when a reactant

Given sno2 + 2h2 - sn + 2h20 tin oxide reacts with hydrogen to produce tin and water. how many moles of sno2 are needed to produce 500.0 grams of sn?

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.