Understanding Atoms, Elements, and the Periodic Table

What are the three main types of subatomic particles found in an atom?

• Atoms, Molecules, Compounds

• Protons, Neutrons, Electrons

• Ions, Isotopes, Elements

• Nuclei, Shells, Clouds

How is an element defined in terms of its atomic structure?

• A mixture of different atoms

• A pure substance made of one type of atom

• A compound of multiple elements

• A molecule with varied atoms

What does the periodic table primarily organize elements by?

• Chemical reactivity

• Decreasing atomic mass

• Increasing atomic number

• Alphabetical order

Which class of elements is known for being good conductors of electricity?

• Metals

• Non-metals

• Gases

• Metalloids

What is a characteristic property of non-metals?

• Good conductivity

• Brittleness

• Malleability

• High luster