Nuclear Energy - The Atom

The smallest part of a chemical that can exist is called a(n)...?

• Element.

• Atom.

• Molecule.

• Isotope.

The word atom comes from the Greek word "atomos" which means...?

• Cuttable.

• Very large.

• Transparent.

• Uncuttable.

If an atom was blown up to the size of a football stadium, then it's nucleus would be the size of a...?

• Marble.

• Earth.

• Soccer ball.

• Apple.

Thomson's theory of the atom used the analogy of a ________ to represent how there are positive and negative particles scattered about.

• Solar system

• Billiard ball.

• Chocolate chip cookie.

• Cherry.

The current analogy that we use to describe atoms is with a...?

• Chocolate chip cookie.

• Cotton ball.

• Cherry.

• Solar system.

Click on all of the subatomic particles of the atom:

• Electron.

• Neutron.

• Proton.

True of False. The charge of a neutron is negative.

• True.

• False.

Electrons are so so small, they are virtually?

• Flightless.

• Odorless.

• Mass-less.

• None of the above.

True or False. Protons are like the finger-prints of the atom. Every atom has unique protons.

• True.

• False.

The nucleus of the atom is extremely what?

• Light.

• Large.

• Loud.

• Dense.