3.4 Non-Metals

How many elements are considered non-metals in science?

• 40

• 20

• 10

• 30

Which gas is used to make signs glow brightly?

• Oxygen

• Helium

• Neon

• Chlorine

What is the state of most non-metals at room temperature (20 °C)?

• Solid

• Gas

• Liquid

• Plasma

Which non-metal is used to make water safe to drink or swim?

• Chlorine

• Oxygen

• Helium

• Neon

What is the physical state of sulfur at 20 °C?

• Gas

• Liquid

• Solid

• Plasma

Which non-metal is used in making pencils lead?

• Oxygen

• Sulfur

• Neon

• Carbon

What is the physical state of carbon known as graphite?

• Plasma

• Solid

• Liquid

• Gas

Which non-metal is very hard and used in the tips of a dentist's drill?

• Oxygen

• Sulfur

• Carbon

• Neon

What is the most common physical property of solid non-metals?

• Flexible

• Conductive

• Shiny

• Dull

What is the physical state of most non-metals at room temperature (20 °C)?

• Gas

• Liquid

• Solid

• Plasma