Mixtures and Compounds

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

• A. element

• B. compound

• C. mixture

• D. solution

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

Two or more physically combined substances form

• a compound.

• an acid.

• an element.

• a mixture.

What is an example of a mixture?

• Table salt

• Water

• Oxygen

• Air

Compare and contrast mixtures and compounds. Which statement is true about mixtures and compounds?

• Both mixtures and compounds are the same throughout

• Mixtures and compounds are made of two or more elements in a definite proportion

• mixtures must be separated by chemical methods and compounds by physical methods

• mixtures contain two or more elements physically combined and compounds contain two or more elements chemically combined

Which of the following is true about mixtures and compounds? 

• A mixture contains different substances that are not chemically combined with one another.

• Mixtures and compounds are both made of two or more different substances.

• A compound forms when different substances chemically combine to form a new substance.

• all of these

A combination of substances that are not chemically combined is called a(n)____________.

• mixture

• compound

• element

• metal

Are made from a combination of 2 or more elements...

• Molecules

• Pure Substances

• Compounds

• Elements

Tags

NGSS.MS-PS1-1

What is a mixture?

• A mixture is when two or more substances are combined physically and chemically.

• A mixture is when two or more substances are combined physically, but not chemically.

• A mixture is when two or more elements are chemically bound together.

• A mixture is when two or more elements lose their individual properties.

Contains more than 1 type of atom or molecule

• Element

• Mixture

• Compound

• Ion

Tags

NGSS.MS-PS1-1