Characteristics of Elements and Compounds

Which of the following substance is an element?

• Carbon dioxide

• Iron

• Salt

• Sugar

Which of the following describes an element?

• The simplest substance.

• It can be broken down into other types of substances.

• It can be separated through a chemical process.

• It is composed of two or more types of atoms.

Which of the following statements correctly describes a compound?

• Can be broken down into a simpler type of matter by chemical means.

• Has a unique property that are different from the properties of its individual elements.

• Composed of atoms of two or more elements that bond together.

• Composed of two atoms that bond together.

Salt is made up of what elements?

• Sodium and Chloride

• Sodium and Chlorine

• Sodium and Copper

• Sodium and Oxide

Which of the following is correctly matched?

• Gold: Element: Silver: Compound

• Oxygen: Element: Water: Compound

• Sugar: Element: Salt: Compound

• Water: Element: Hydrogen: Compound

Which of the following is NOT an element?

• Na

• Fe

• Pz

• He

Tell whether it is an example of an element or a compound. Write the word ELEMENT if the sample shows characteristics of an element and COMPOUND if it shows characteristics of compound.

Aluminum

Mercury

Ferrous Sulfate

Sucrose