Question 1

Does a polyatomic ion have more than one ion?

Accepted Answer

Yes

Answer

No

Question 2

An isotope is identified by...

Accepted Answer

mass number

Answer

mass symbol

Question 3

Who suggested that electrons move only in a specific orbits?

Accepted Answer

Bohr

Answer

Thomson

Answer

Rutherford

Question 4

Who discovered electrons?

Accepted Answer

Thomson

Answer

Dalton

Answer

Bohr

Answer

Rutherford

Question 5

What is a theory?

Accepted Answer

Not yet proven

Answer

Its been proven

Answer

Its a law

Question 6

Who used a gold foil in his experiment and was proven wrong?

Accepted Answer

Rutherford

Answer

Thomson

Answer

Dalton

Question 7

What is the number of protons in the nucleus of an atom?

Accepted Answer

Atomic number

Answer

mass number

Answer

atomic mass

Question 8

This has no electric charge

Accepted Answer

Neutron

Answer

Proton

Answer

Electron

Question 9

Who discovered the periodic table?

Accepted Answer

Mendeleev

Answer

Rutherford

Question 10

Who was the Greek philosopher who discovered atoms?

Accepted Answer

Democritus

Answer

Plato

Answer

Aristotle

Answer

Hercules

Question 11

These electrons have the highest energy

Accepted Answer

valence

Answer

orbit

Question 12

This makes electric currents under some conditions but not others

Accepted Answer

semiconductor

Answer

metalloids

Question 13

What is a property of an ionic compound?

Accepted Answer

High melting points

Answer

conductivity

Answer

low melting points

Question 14

Electrons are shared unequally

Accepted Answer

polar bond

Answer

nonpolar bond

Question 15

Which mixture can be easily seen and sorted?

Accepted Answer

Heterogeneous mixture

Answer

Homogeneous mixture

Question 16

Which change causes a reaction?

Accepted Answer

Chemical

Answer

Physical

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