Unit 8 Review

What is true about about "charge" in general?

• It is always positive.

• It is a single type.

• It comes in two types.

• It can be destroyed.

Why do new charges arise when objects are rubbed together? (Like a balloon on your head.)

• A) New charges are created

• B) Charges are destroyed

• C) No new charges are created; they are only separated

• D) Charges are transferred without separation

What particles make up an atom?

• Protons, neutrons, electrons

• Protons, neutrons, positrons

• Neutrons, electrons, muons

• Protons, muons, gluons

What is located at the center of an atom?

• Electrons

• Nucleus

• Protons

• Neutrons

Tags

NGSS.HS-PS1-8

What are the components of the nucleus?

• Protons and electrons

• Neutrons and muons

• Protons and neutrons

• Electrons and positrons

Where do electrons reside in an atom?

• Inside the nucleus

• In the empty space around the nucleus

• Attached to protons

• Outside the atom

What is true about atoms?

• Atoms are mostly solid space.

• Atoms consist mainly of electrons.

• Atoms are almost all empty space.

• Atoms are completely filled with neutrons.

What is the charge of a neutron?

• Positive

• Negative

• Neutral

• Variable

Why are atoms generally electrically neutral?

• They contain no protons

• They contain an equal number of protons and electrons

• They contain no electrons

• They contain an unequal number of protons and electrons

What type of charges are free to move between objects?

• A) Neutron charges

• B) Proton charges

• C) Electron charges

• D) Nuclear charges

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5