Atomic Structure and Particle Identity

What do atoms make up?

• protons

• neutrons

• electrons

• everthing

What three types of tiny particles make up an atom?

• Protons, neutrons, and quarks

• Electrons, protons, and photons

• Protons, electrons, and neutrons

• Neutrons, electrons, and ions

How many types of atoms are there?

• 92

• 118

• 10

• 117

What is the 3rd element on the Periodic Table?

• Lithium

• Hydrogen

• Carbon

• Helium

What determines the identity of an element?

• The number of electrons

• The number of neutrons

• The number of protons

• The atomic mass

What is the term for the number of protons in an atom?

• Atomic weight

• Atomic mass

• Atomic number

• Isotope count

Electrons have a _______ electrical charge.

• positive

• negative

• neurtal

Electrons and protons

• Attract

• Repel

What is the primary role of neutrons in an atom's nucleus?

• To attract electrons

• To provide a negative charge

• To hold protons together

• To increase the atom's size