Chem 11- unit one test (classifying matter)

What is matter?

Anything that has a mass and volume

What is a pure substance and what are the two types?

Pure substance is something made of only one kind of particle. A pure substance can either be elements or compounds.

What is an element made of?

An element is pure substance made up of only one type of atom

What gives an element its unique identity?

It’s number of protons

What types of elements are there?

Metals metalloids, and nonmetals

Where can elements be found?

On the periodic table

What are metalloids?

Elements that both have metal and nonmetal properties

What is a compound?

A substance made of more than one element chemically combined

What are the two types of compounds?

Ionic compounds and molecular covalent compounds

What is an ionic compound?

An ionic compound is a type of chemical made when a metal and a non-metal join together.

Give an example of an ionic compound

Table salt (NaCl)

What is a molecular covalent compound?

A molecular covalent compound is made when two or more non-metals share electrons to stick together.

Give an example of a molecular covalent compound

Diamonds and water

What kind of properties do pure substances have?

Intrinsic and extrinsic properties

What are intrinsic properties?

Properties that do not depend on how much of the substance is you have

What are some examples of intrinsic properties?

Boiling point melting point and freezing point

What are extrinsic properties?

Properties that depend on the amount of substance present

What are some examples of extrinsic properties?

Mass volume and length

What is a mixture?

Something made up of more than one type of substance

What are two types of mixtures?

Solutions and mechanical mixtures

What is a solution?

Homogeneous mixture where any substances are evenly mixed and hard to separate

Give examples of solutions

Apple juice, water with food colouring

In a solution, what is the solute?

(The substance disolved in solution) present in the smaller amount

In a solution, what is the solvent?

(The substance doing the dissolving) presence in the greater amount-usually water

What is a mechanical mixture?

The heterogeneous mixture where you could see the difference substances with your eyes

Give me example examples of a mechanical mixtures

Gravel, chocolate chip cookie