(Savvas 4.2) The Structure of an Atom Quiz

What are three subatomic particles?

• Proton, Neutron, Electron

• Atom, Molecule, Compound

• Proton, Electron, Molecule

• Neutron, Atom, Compound

Tags

NGSS.MS-PS1-1

Which subatomic particle has a positive charge?

• Nucleus

• Proton

• Neutron

• Electron

Why did Chadwick conclude that the particles produced by his experiment were neutral in charge?

• Because they were attracted to a positive plate

• Because they were repelled by a negative plate

• Because they did not deflect in an electric field

• Because they were attracted to a negative plate

Which properties vary among subatomic particles?

• Color, Mass, Charge, Location in the atom

• Mass, Charge, Location in the atom

• Color, Mass, Location in the atom

• Mass, Charge, Color

Which expression accurately compares the masses of neutrons and protons?

• Mass of 1 neutron = mass of 1 proton

• Mass of 2000 neutrons = mass of 1 proton

• Mass of 1 electron = mass of 1 proton

• Mass of 1 neutron = mass of 1 electron

What is an atomic number?

• The number of protons in an atom

• The number of neutrons in an atom

• The number of electrons in an atom

• The total number of protons and neutrons in an atom

Choose the letter(s) that identify quantities that are always equal to an element’s atomic number.

• number of protons

• number of neutrons

• number of electrons

• number of nuclei

Is the following sentence true or false? Two different elements can have the same atomic number.

• True

• False

• Sometimes true

• Cannot be determined

Every atom of a given element has the same number of _______ and _______.

• protons, neutrons

• protons, electrons

• neutrons, electrons

• nuclei, protons

Tags

NGSS.MS-PS1-1

Every atom of a given element does not have the same number of _______.

• protons

• electrons

• neutrons

• nuclei

Tags

NGSS.MS-PS1-1