VP #1: Difference between an Element, Compound, and Mixture

What does an atom consist of?

• Atoms are composed of quarks and gluons only.
• An atom consists of protons, neutrons, and electrons.
• An atom consists of only protons and electrons.
• Atoms are made of molecules and compounds.

How are elements arranged on the periodic table?

• Elements are arranged by increasing atomic number.
• Elements are arranged by their popularity in chemistry.
• Elements are arranged randomly without any specific order.
• Elements are arranged by color and shape.

What is an element made of?

• Three types of atoms

• One type of atom

• Two types of atoms

• Four types of atoms

When elements combine chemically, a new substance is created called a

• element
• mixture
• solution
• compound

What are the ratio of elements in glucose?

• 6:6:6
• 12:6:6
• 6:12:6
• 6:12:12

Which of the following is a compound?

• Iron

• Oxygen

• Water

• Carbon

What is the ratio of hydrogen to oxygen in water?

• 3:1

• 4:1

• 1:1

• 2:1

A homogeneous mixture is sometimes called a

• solution
• colloid
• emulsion
• suspension

Which of these is a heterogeneous mixture?

• Salt water

• Air

• Brass

• Sand

How can you separate a mixture?

• By adding more substances

• By creating a new compound

• By filtration

• By chemical reaction