Periodic Table

Question 1

Define an atom.

Answer 1

The smallest part of an element that can exist.

Question 2

Define a bond.

Answer 2

An attraction between atoms

or molecules that enables the formation of chemical compounds.

Question 3

Define a chemical formula.

Answer 3

A series of chemical symbols showing the number of atoms of each element in a compound.

Question 4

Define a chemical reaction.

Answer 4

A process that involves rearrangement of atoms to produce new substances.

Question 5

Define a chemical symbol.

Answer 5

A letter or series of letters used to represent an element, e.g. C for carbon, Na for sodium.

Question 6

What is a compound

Answer 6

A substance made up of two or more different elements chemically bonded together.

Question 7

Define an element.

Answer 7

A substance made of only one type of atom.

Question 8

Define a group

Answer 8

A column of the periodic table that contains elements with similar chemical properties.

Question 9

Define a metal

Answer 9

An element or substance which is typically shiny, malleable and ductile. It typically conducts heat and electricity well.

Question 10

Define a mixture.

Answer 10

A substance consisting of two or more substances not chemically combined together.

Question 11

Define a non-metal

Answer 11

An element or substance that is not a metal.

Question 12

Define a period.

Answer 12

A row on the periodic table.

Question 13

Define a trend.

Answer 13

The general direction in which a set of data changes, i.e. increasing or decreasing.

Question 14

Define boiling point.

Answer 14

The temperature at which a substance changes from liquid to gas (evaporates). It is also the temperature at which a substance changes from gas to liquid (condenses).

Question 15

Define the word brittle

Answer 15

Hard but easily broken.

Question 16

Define conduction

Answer 16

The transfer of heat or electricity through a material.

Question 17

Define the word density.

Answer 17

The mass of a substance divided by its volume. The more dense a substance is, the heavier it feels for its size.

Question 18

Define displacement reaction

Answer 18

A reaction in which a more reactive substance displaces a less reactive substance.

Question 19

Defone the word ductile.

Answer 19

Can be stretched into wires.

Question 20

Define dull.

Answer 20

Not shiny.

Question 21

Define a magnetic material

Answer 21

A material that can be attracted by a magnet or made into a magnet.

Question 22

Define malleable.

Answer 22

Can be hammered or pressed into different shapes.

Question 23

Define a melting point.

Answer 23

The temperature at which a substance changes from solid to liquid (melts).
It is also the temperature at which a substance changes from liquid to solid (freezes).

Question 24

Define reactivity.

Answer 24

measure of how easily a substance reacts with another substance.

Question 25

Define shiny

Answer 25

A surface which reflects light.

Question 26

Define the word sonorous

Answer 26

Makes a ringing sound when dropped.

Question 27

Define unreactive

Answer 27

A substance which does not react chemically.

Question 28

Do the melting points increase or decrase in Group 1?

Answer 28

Decrease

Question 29

Do the melting points increase or decrase in Group 7?

Answer 29

Increase

Question 30

Do the melting points increase or decrase in Group 0?

Answer 30

Increase

Question 31

Does the reactivity increase or decrase in Group 1?

Answer 31

Increase

Question 32

Does the reactivity increase or decrase in Group 7?

Answer 32

Decrease