Approximately how many atoms make up a balloon?

What particles are found in atoms?

• Protons, electrons, and neutrons

• Protons, electrons, and photons

• Neutrons, electrons, and photons

• Protons, neutrons, and photons

What can bumping atoms together produce?

• Light

• Sound

• Heat

• Cold

What is the size comparison between electrons and protons?

• Electrons are 1000x larger than protons.

• Electrons are 1000x smaller than protons.

• Electrons are the same size as protons.

• Electrons are 100x smaller than protons.

Which particles are constantly moving from atom to atom?

• Protons

• Neutrons

• Electrons

• Nuclei

What do protons never do according to the text?

• Move from atom to atom

• Carry a negative charge

• Become smaller than electrons

• Move within an atom

What is required to produce charge by rubbing objects together?

• Any two objects

• Objects with the same electron affinities

• Objects with different electron affinities

• Objects made of metal

Why do atoms gain or lose electrons?

• To increase their mass

• To fill their outermost valence shell

• To change their color

• To become larger

Which material is listed under low electron affinity and becomes positive?

• Plastic

• Silicon

• Rubber

• Human Body

Which material is associated with becoming positive due to low electron affinity?

• Silicon

• Rubber

• Glass

• Plastic