Chemistry Final Review

Front 1

Name the first 20 elements on the Periodic Table of elements (symbols and names)

Back 1

Hydrogen - H, Helium - He, Lithium - Li, Beryllium - Be, Boron - B, Carbon - C, Nitrogen - N, Oxygen - O, Flourine - F, Neon - Ne, Sodium - Na, Magnesium - Mg, Aluminum - A, Silicon - Si, Phosphorus - P, Sulfur - S, Chlorine - Cl, Argon - Ar, Potassium - K, Calcium - Ca

Front 2

What is the atomic number and the atomic mass?

Back 2

Atomic number is the number of protons and the atomic mass is the number of protons and neutrons.

Front 3

What is matter?

Back 3

Matter is anything that takes up space and has mass.

Front 4

What are the four kinds of matter?

Back 4

The four kinds of matter are solid, liquid, gas and plasma.

Front 5

What is the formula for finding volume of a solid?

Back 5

The formula for finding volume of a solid is L x W x H

Front 6

What units is the volume of a solid and a liquid expressed as?

Back 6

The volume of a solid is expressed in cubic units and volume of a liquid is expressed in liters.

Front 7

What happens when matter changes from one state to another?

Back 7

Matter that changes from one state to another is a physical change.

Front 8

What is bonding?

Back 8

The interaction among atoms that occurs when electrons are shared or transferred is called bonding.

Front 9

What do you know about shells?

Back 9

Shells hold a certain number of electrons and that the outer shell, also called energy level, determines how easily an atom of an element will bond with another element's atom.

Front 10

What are atoms made up of?

Back 10

Atoms are made up of subatomic particles called protons, neutrons and electrons.

Front 11

Where are the protons, neurtons and electrons?

Back 11

Protons and neutrons are located in the nucleus and electrons race around outside the nucleus.

Front 12

What is the strongest force on Earth?

Back 12

Nuclear force is the strongest force on Earth.

Front 13

How is the Periodic Table of Elements organized?

Back 13

The Periodic Table of Elements is organized in a few ways - by periods horizontal rows - all of these elements have the same number of shells and by groups or columns - all of these elements have the same number of electrons in their outer shell.

Front 14

How are the elements listed in the Periodic Table of Elements?

Back 14

The elements are listed on the Periodic Table by atomic numbers, increasing from the first element, Hydrogen, whose atomic number is 1.

Front 15

What is the difference between matter and energy?

Back 15

The entire physical universe is madeup of matter and energy. Matter is anything that takes up space and energy is the capacity to do work.

Front 16

What do magnetic poles do?

Back 16

Opposite magentic poles attract, while like magnetic poles repel.

Front 17

Why is oil less dense than water?

Back 17

Oil is less dense than water because it floats to the top when combined.

Front 18

What happens with solubility?

Back 18

Substances with high solubility will seem to disappear in water, while substances with low solubility will turn the water cloudy, settle to the bottom or float on top.

Front 19

What is a mixture?

Back 19

A mixture is a combimnation of different substances whose characteristics do not change, despite being mixed together.

Front 20

What has a higher solubility sugar or sand?

Back 20

Sugar has a higher solubility than sand.

Front 21

What affects a solvents ability to dissolve a solute?

Back 21

A solvent's ability to dissolve a solute is affected by different variables, such as temperature, surface area and motion.

Front 22

In a sugar/water solution, which is the solvent and which is the solute?

Back 22

In a sugar/water solution, the water is the solvent and the sugar is the solute.

Front 23

What happens when physical properties change?

Back 23

When physical properties of a substance change, they can be easily reversed.

Front 24

What happens when a chemcial change occurs?

Back 24

A chemical change occurs when a new substance is formed, energy is absorbed or released and it is not easily reversible.

Front 25

What is a compound?

Back 25

A compound is formed by two or more atoms of different elements combining in a chemical reaction.

Front 26

What is oxygen?

Back 26

Oxygen is an element that combines with many other elements and compounds.

Front 27

When does oxidation take place?

Back 27

Oxidation takes place when an element or compound reacts with oxygen.

Front 28

What are the three signs that a chemical reaction is taking place?

Back 28

The three signs that a chemical reaction is taking place is color change, smoking and bubbling.

Front 29

What is the Law of Conservation?

Back 29

The Law of Conservation of Energy states that energy cannot be created or destroyed; it simply changes form.

Front 30

What happens to molecules in a solid?

Back 30

In a solid form, molecules are still moving, but they are packed tightly together.

Front 31

What happens to molecules in a liquid form?

Back 31

In a liquid form, molecules are bumping up against each other and have more room to move.

Front 32

What happens to molecules in a gas?

Back 32

In a gas, molecules will move about freely and spread out to fill any space.

Front 33

What happens to subsatances when heated and cooled?

Back 33

Most substances expand when heated and contract (get smaller) when cooled.

Front 34

What is conduction and convection?

Back 34

Conduction is when heat flows from obe object to another by direct contact and convection is when particles in a fluid carry heat from one place to another.

Front 35

What is an insulator?

Back 35

An insulator is a substance that slows down the transfer of heat.