# 099.1 Chemical Elements Quiz

What is an element?

• A substance that has both metallic and non-metallic properties

• A shiny solid with high melting point and heat conductivity

• A substance that can be broken down into carbon and water vapors

• A pure substance that cannot be broken down into simpler substances

Which of the following is NOT an element?

• Carbon

• Sugar

• Hydrogen

• Oxygen

What are chemical symbols used for?

• To denote the number of electrons in an element

• To represent the name of an element

• To classify elements based on their properties

• To break down elements into simpler substances

Which element is denoted by the symbol Fe?

• Carbon

• Calcium

• Mercury

• Iron

What are metalloids?

• Substances that are excellent electrical conductors

• Substances that have both metallic and non-metallic properties

• Elements that are solid at room temperature

• Elements that have a dull, non-lustrous appearance

Which of the following is NOT a property of metals?

• High melting point

• Excellent electrical conductivity

• Shiny appearance

• Brittle when hammered

Which state of matter are non-metals found in at room temperature?

• Liquids

• Solids

• Gases

• All of the above

Which element is a solid non-metal?

• Sulphur

• Carbon

• Bromide

• Helium

What are the melting and boiling points of non-metals?

• Variable

• High

• Low

• Moderate

Which of the following is a property of non-metals?

• Excellent malleability

• Brittle in solid state

• Good electrical conductivity

• High heat conductivity