Because substances are made up of different atoms and molecules, they react in characteristic ways. Production of a gas, color changes, a change in temperature, and the formation of a precipitate are ...

Chemical reactions make new chemicals. Atoms are rearranged during a chemical reaction, but the number of atoms does not change. Evidence of chemical reactions includes a large temperature change ...

to the indicator and see that the two solids cause different color changes. Students recognize that a particular color change is a characteristic property of a substance and that a color change can ...

The ancient reactions Suess is investigating rely on specialized enzymes with clusters of metal atoms. These could provide ...

Researchers at the UAB have developed a new chemical reaction to form solid polymeric networks using light (photocuring) ...

Scientists have for the first time filmed the real-time growth and contraction of Palladium nanoparticles, opening new avenues for utilising and recycling precious metal catalysts.