intro to matter review

What is matter?

• anything that has mass and takes up space

• a single kind of matter that is pure and has a specific set of properties

• the basic particle from which all elements are made. 

What is a substance?

• a neutral group of two or more atoms held together by covalent bonds.

• a single kind of matter that is pure and has a specific set of properties

• anything that has mass and takes up space

What is a physical property?

•  a property that describes its ability to change into different substances.

• a property that can be observed without changing it into another substance.

What is a chemical property?

• a characteristic of a substance that describes its ability to change into different substances.

• a substance that contains one kind of atom and cannot be broken down into a simpler form.

• anything that has mass and takes up space

What is an atom?

•  a neutral group of two or more atoms held together by covalent bonds.

• the basic particle from which all elements are made. 

• a substance that contains one kind of atom and cannot be broken down into a simpler form.

What is a compound?

• one kind of atom and cannot be broken down into a simpler form.

• two or more elements chemically combined in a specific ratio or proportion.

What is a mixture?

• a characteristic of a pure substance that can be observed without changing it into another substance.

• two or more substances that are together in the same place but not chemically combined.

• the basic particle from which all elements are made. 

What is an element?

• a substance that contains one kind of atom and cannot be broken down into a simpler form.

•  a substance made of two or more elements chemically combined in a specific ratio or proportion.

•  two or more substances that are together in the same place but not chemically combined.

What is a molecule?

• anything that has mass and takes up space

• a neutral group of two or more atoms held together by covalent bonds.

• the basic particle from which all elements are made. 

Water can exist as solid, liquid or gas. Which picture shows water as a liquid?

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