Element, Molecule, Compound, or Mixture

Atom, Element, Molecule, Compound, Mixture

Labelling

Label the atom.

Drag labels to their correct position on the image

neutron

nucleus

electron

proton

shell or orbit

Multiple Choice

What is a substance made of two or more elements that are chemically combined called?

• A. element

• B. compound

• C. mixture

• D. solution

Multiple Choice

What is the definition of a compound?

• The smallest part of any substance which can exist on its own

• Two or more atoms chemically joined together (can be the same or can be different)

• A simple substance in which all the atoms are identical

• Two or more different elements chemically joined together

Multiple Choice

A substance that cannot be broken down into any other substance by ordinary chemical means is called

• a molecule.

• a mixture.

• an element.

• a compound.

Multiple Choice

Two or more physically combined substances form

• a compound.

• an acid.

• an element.

• a mixture.

Multiple Choice

What is an example of a mixture?

• Table salt

• Water

• Oxygen

• Air

Multiple Choice

A compound is made of ________ atoms.

• big

• similar

• different

Multiple Choice

Carbon Dioxide is a ______ 

• compound 
• element 
• mixtures 
• Battle of Bunker Hill 

Multiple Choice

Salt is a _________. 

• compound 
• element 
• mixture 

Multiple Choice

The smallest unit of an element is

• a compound.

• a molecule.

• an atom.

• a mixture.

Multiple Choice

The smallest unit of a compound is

• an element.

• a molecule.

• an atom.

• a mixture.

Multiple Choice

True or False: All molecules are compounds.

• true

• false

Multiple Choice

True or false: Air is a mixture.

• true

• false

Multiple Choice

Which of the following is a mixture?

• oxygen

• gold

• sand

• water

Multiple Choice

A compound is made of ________ atoms.

• big

• similar

• different

Labelling

Label the following molecules/ atom.

Drag labels to their correct position on the image

element (diatomic)

compound

element

Multiple Choice

This picture represents which of the following?

• element
• compound
• mixture of elements
• mixture of compounds

Multiple Choice

This picture represents which of the following?

• element
• compound
• mixture

Multiple Choice

This picture represents which of the following?

• element
• compound
• mixture

Multiple Choice

What does this illustrate

• Elements

• Compunds

• Mixture of Elements and Compunds

• Mixture of Compounds

Multiple Choice

Element, mixture, or compound?

• element

• mixture

• compound

Multiple Choice

This diagram represents a _____.

• pure substance that is a compound
• mixture of elements
• pure substance that is an element
• mixture of compounds

Multiple Choice

Element, mixture, or compound?

• element

• mixture

• compound

Examples of Mixtures

two or more substances that are combined physically not chemically
made of different kinds of particles that can usually be separated

Labelling

Label the percentage of air components.

Drag labels to their correct position on the image

0.07%

21%

78%

0.93%

Multiple Choice

Steel is an alloy composed mainly of iron and which other element?

• a) Zinc

• b) Carbon

• c) Copper

• d) Aluminium

Multiple Choice

Which metals are primarily used to make brass?

• a) Copper and zinc

• b) Iron and carbon

• c) Copper and tin

• d) Iron and chromium

Multiple Choice

Which gas makes up about 21% of dry air?

• a) Nitrogen

• b) Oxygen

• c) Carbon dioxide

• d) Argon

Diatomic Particles

consist of two atoms bonded together

Draw

Draw the particle model of Chlorine.

Vacuum

A space/ volume containing little to no matter

Multiple Choice

Which of the following best describes a vacuum?

• a) A space with only air particles

• b) A space filled with gas molecules

• c) A space devoid of matter, including air

• d) A space filled with only solid particles

Multiple Choice

What happens to sound in a vacuum?

• a) It travels faster

• b) It travels slower

• c) It doesn't travel at all

• d) It travels at the same speed as in air

Multiple Select

Which of the following elements exists naturally as a diatomic molecule?

• a) Argon

• b) Helium

• c) Nitrogen

• d) Carbon

• e) Chlorine

Multiple Choice

Which of the following pairs of elements are both diatomic?

• a) Carbon and Oxygen

• b) Oxygen and Hydrogen

• c) Neon and Nitrogen

• d) Helium and Fluorine

Multiple Choice

Which element does NOT exist naturally as a diatomic molecule?

• a) Hydrogen

• b) Oxygen

• c) Neon

• d) Fluorine

Open Ended

Define what is meant by a vacuum.

Open Ended

Explain why sound cannot travel through a vacuum.