Atomic Structure

Who discovered the Electron?

• Dalton

• Lavoisier

• JJ Thomson

• Rutherford

Which subatomic particle has a positive charge?

• Proton

• Quarks

• Neutrons

• Electrons

Which subatomic particle tells you the atomic number?

• Neutrons

• Electrons

• Quarks

• Protons

Which subatomic particle has a neutral charge?

• Quarks

• Protons

• Neutrons

• Electrons

Which subatomic particle has a negative charge?

• Protons

• Quarks

• Electrons

• Neutrons

Which subatomic particles make an atom's mass?

• the number of protons in the nucleus

• the number of neutrons in the nucleus

• the number of electrons and protons in the atom

• the number of protons and neutrons in the nucleus

In order for an atom to be neutral, what has to be true?

• The atom has more protons than neutrons.

• The atom has the same number of protons as neutrons.

• The atom has more neutrons than protons.

• The atom has the same number of protons and electrons.

What does the "C" represent?

• Atomic Mass

• Atomic Number

• Element Name

• Atomic Symbol

What does the "6" represent?

• Atomic mass

• Atomic number

• Element Name

• Chemical Symbol

How do you find the number of neutrons?

• Add the number of e- and p+ together

• Subtract the number of e- from p+

• Subtract the number of p+ from the mass number

• Add the mass number to the number of e-