Classifying Matter Review

Chemical bonds...

• are represented by an element symbol (such as O for Oxygen)

• Hold mixtures together

• Hold multiple atoms together and can be separated by physical means

• hold multiple atoms together and must be separated by chemical means

Molecules that have two or more different types of atoms are called

• Element

• Compound

• Mixture

• Chemical Bonds

Tags

NGSS.MS-PS1-1

Contains different elements or compounds that are not chemically bonded

• Compound

• Element

• Mixture

• Pure substance

How many elements have to be present for a molecule to be considered a compound?

• 1

• 2 or more

• 3 or more

• 4 or more

Tags

NGSS.MS-PS1-1

How do the properties of a compound compare to the properties of the elements that make it up?

• The properties of the compound are the same as the properties of the elements that make it up.

• The properties of the compound are different from the properties of the elements that make it up.

• The properties of the compound may vary, while the properties of the elements that make it up do not change.

• The properties of the compound are the same as the properties of only one of the elements in the compound.

Tags

NGSS.MS-PS1-2

A solution of water and sugar is an example of a

• heterogeneous mixture

• homogeneous mixture

• solvent

Mixtures can be homogenous like steel, or heterogeneous like a

• glass of salt water

• bowl of raisins and oatmeal

Is sugar (C₁₂H₂₂O₁₁) an element or a compound?

• Element
• Compound

Tags

NGSS.MS-PS1-1

Is Iron (Fe) an element or a compound?

• Element
• Compound

Tags

NGSS.MS-PS1-1

What cannot be broken down into other substances?

• Compound
• Mixture
• Solids
• Element