Atomic Theory Answers

7 verified answers

Free Preview

Question text not available

Answer not available

Free Preview

Question text not available

Answer not available

The scattering of a stream of positively charged particles when striking a thin film of gold confirms that

the positive charge in an atom must be located in a dense central mass.

atoms contain electrons in varying energy layers around the nucleus.

electrons are found in the center of an atom.

electrons can only be found within predicted areas surrounding the nucleus.

An atom’s emission of light with a specific amount of energy confirms that

atoms must have a dense central mass surrounded by electrons at a distance.

electrons emit and absorb energy based on their position around the nucleus.

electrons can only be found within predicted areas surrounding the nucleus.

atoms are made of positive and negative charges.

Dalton’s theory states that atoms are the smallest possible parts of elements. In a chemical reaction, atoms will

rearrange and form new substances with new properties.

change form into completely new atoms with new properties.

be destroyed and remade into new substances.

be turned completely into energy.

Who first used the word “atomos” to describe the smallest unit of a substance?

Thomson

Democritus

Bohr

Schrödinger

Question text not available

Answer not available

Did you find these answers helpful?

More from this Course