Atomic Theory Answers

4 verified answers1 views

Dalton’s theory was identified using

light microscope images of atoms.

the experimental results of other scientists.

water vapor and air experiments.

Dalton determined that a chemical reaction was simply a(n) of atoms, not the creation of new substances.

destruction

rearrangement

explosion

What discovery led J.J. Thomson to decide that atoms were not indivisible, but are actually composed of smaller parts?

Thomson used a scanning tunneling micrograph to capture images of atoms.

Thomson used a beam of negatively charged particles.

Thomson used only the experimental results of other scientists.

The current atomic model has a

clear and exact placement for every electron around the nucleus of an atom.

clear and distinct border surrounding the nucleus of an atom where electrons are located.

predicted area surrounding the nucleus where the electron could be located.

Did you find these answers helpful?

More from this Course