revision

What is the smallest part of an element?

• Atom

• Molecule

• Compound

• Mixture

Which subatomic particle has a positive charge?

• Electrons

• Neutrons

• Protons

• Quarks

Which subatomic particle has a negative charge?

• proton

• electron

• neutron

• cybertron

What is the center of an atom called?

• The headquarters

• The hypothesis

• The centrometer

• The nucleus

The nucleus of an atom contains which subatomic particles?

• protons and electrons

• electrons and neutrons

• protons and neutrons

• protons, electrons, and neutrons

Typically in an atom, which two subatomic particles are equal in number?

• protons and neutrons

• all subatomic particles are equal in number

• neutrons and electrons

• protons and electrons

An atom with atomic number 6 would have how many neutrons?

• 6

• 3

• 12

• cannot be determined

An element is defined by its number

• protons

• electrons

• neutrons

• protons + electrons

^{What does the 6 represent above the}

• Symbol

• Name

• Mass Number

• Atomic Number

Which is NOT a form of matter??

• atom

• element

• energy

• compound