MSE Section 1- Element and Compounds Review (for Midterms 2022)

Carbon is considered an element, while carbon dioxide is considered a compound. This is because carbon dioxide is ---

• a gas at room temperature.

• made of two different elements.

• given off by green plants.

• useful to human beings

Is sugar (C₁₂H₂₂O₁₁) an element or a compound?

• Element
• Compound

Is Iron (Fe) an element or a compound?

• element

• compound

How many elements are in H₂O

• 1

• 2

• 3

• 4

This picture represents which of the following?

• element

• compound

This picture represents which of the following?

• element

• compound

When one or more substance is combined it is called __________________.

• compound

• element

• mixture

• solution

Which of the following statements describes an element?

• It contains only one kind of atom.

• It can be decomposed by ordinary chemical means.

• It is composed of atoms of two or more elements that bond together.

• It has unique properties that are different from the properties of its individual elements.

Which of the following is an element?

• Gold

• Air

• Water

• Carbon Dioxide

• Nitrous Oxide

Which of the following is NOT an example of element?

• Helium gas

• Hydrogen

• Ice

• Iron