Understanding Atoms and Subatomic Particles

What are atoms made of?

• Protons, electrons, and neutrons

• Cells and molecules

• Quarks and leptons

• Only protons and electrons

How many different kinds of atoms are there?

• 92

• 100

• 118

• Unlimited

What is the smallest part of an element?

• A molecule

• An atom

• A cell

• A compound

What subatomic particle determines the identity of an element?

• The number of electrons

• The number of neutrons

• The number of protons

• The size of the atom

How many protons does a Hydrogen atom have?

• 1

• 2

• 3

• 118

Label them correctly

Groups:

(a) Positive Charge

,

(b) Negative Charge

,

(c) No Charge

,

(d) Free of charge

• Proton

• Mr. G roasting you all

• Electron

• Neutron

What is the number of protons in an atom also called?

• Atomic mass

• Atomic weight

• Atomic number

• Isotope number

What kind of electrical charge do electrons have?

• Positive

• Negative

• Neutral

• Variable

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

• To attract electrons

• To provide mass to the atom

• To hold the nucleus together

• To determine the element's identity

How would you find the weight of an atom?