11th Chemistry Review Chapter 1 to 3

The measure of the amount of matter that an object contains is its __________.

• mass

• shape

• volume

• weight

What type of physical change would you use to separate the components of an aqueous sugar solution?

• electrolysis

• evaporation

• freezing

• sublimation

A heterogeneous mixture is poured through a piece of filter paper that is positioned over a beaker. What is the substance that is collected in the beaker?

• heterogeneous mixture

• solid

• solution

• not enough information is given

One type of scientific __________ is a drawing that allows you to study what you can't actually see.

• theory

• substance

• model

• observation

According to the diagram, which are not pure substances?

• homogeneous mixtures

• compounds

• elements

• gold

In the chemical change shown, what is the total number of hydrogen atoms present after the reaction?

• 3

• 4

• 5

• 6

What material is likely to be separated by the filter paper and funnel shown?

• hydrogen and oxygen

• salt and water

• sand and water

• oxygen and nitrogen

A substance being dissolved is called __________.

• an aqueous solvent

• a solute

• a solution

• a solvent

Thomson's model of the atom included negative __________ embedded in a ball of __________ charge.

• protons, negative

• electrons, positive

• electrons, negative

• protons, positive

The number of protons in the nucleus of the atoms of an element determines the element's __________.

• atomic number

• atomic mass

• mass number

• valence