Exploring the Periodic Table

What are the main groups of elements in the periodic table?

• Rare Earth Elements

• Synthetic Elements

• Metals, Nonmetals, Metalloids, Alkali Metals, Alkaline Earth Metals, Transition Metals, Halogens, Noble Gases

• Noble Liquids

How are metals, nonmetals, and metalloids classified?

• Metals, nonmetals, and metalloids are classified based on their location in the periodic table.

• Metals, nonmetals, and metalloids are classified based on their physical and chemical properties.

• Metals, nonmetals, and metalloids are classified by their color.

• Metals, nonmetals, and metalloids are classified according to their atomic number.

What is the significance of periods in the periodic table?

• Periods indicate the number of protons in an atom.

• Periods are used to categorize metals and nonmetals.

• Periods indicate the number of electron shells and show trends in elemental properties.

• Periods represent the atomic mass of elements.

Can you name three properties of metals?

• Brittle (easily breakable)

• Non-magnetic (do not attract magnets)

• 1. Good conductors of electricity and heat, 2. Malleable (can be shaped), 3. Ductile (can be drawn into wires)

• Poor conductors of electricity

Which elements are considered metalloids and why?

• Boron, silicon, germanium, arsenic, antimony, tellurium.

• Oxygen, nitrogen, hydrogen, carbon, sulfur, phosphorus.

• Sodium, potassium, calcium, magnesium, aluminum, titanium.

• Copper, zinc, iron, lead, gold, silver.