Peridoic Table

Question 1

What are atoms?

Answer 1

Atoms are the basic building blocks of all materials

Question 2

Element

Answer 2

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

Question 3

Molecules

Answer 3

A molecule is formed when two or more atoms join(bond together) chemically

Question 4

Compounds

Answer 4

When a molecule is made up of two or more different types of elements chemically combined

Question 5

Structure of the atom

Answer 5

The atom is made up of smaller particles called sub-atomic particles

Question 6

Sub atomic particles

Answer 6

Protons, neutrons and electrons

Question 7

Atomic number

Answer 7

The atomic number tells you how many protons there are in one atom of the element

Question 8

Mass number

Answer 8

The mass number tells you how many protons and neutrons there are in the atom

Question 9

Group 1- The alkali metals

Answer 9

All the alkali metals have one electron in their outer shell

Question 10

Alkali metals

Answer 10

Lithium(Li), Sodium(Na), Potassium(K)

Question 11

Alkali metals reaction to water

Answer 11

When an alkali metal such as lithium is added to water it floats and forms a ball shape

Question 12

Alkali metals reaction to air

Answer 12

When alkali metals are cut a shiny surface is revealed but this surface quickly goes dull again as the metal reacts with oxygen in the air forming the metal oxide

Question 13

Group the the Alkali earth metal

Answer 13

Beryllium(Be), Magnesium(Mg), Calcium(Ca)
All elements in this group have two electrons in their outer shell

Question 14

Group 7- The halogens

Answer 14

They have seven electrons in their outer shell, including Fluorine(F) and Chlorine(Cl)

Question 15

Group 8- (group 0) the noble gases

Answer 15

The elements in group 8 are all gases and have full outer shells of electrons in their atoms

Question 16

The noble gases

Answer 16

Helium(He), Neon(Ne) and Argon(Ar)

Question 17

What are ions

Answer 17

When atoms lose or gain electrons they become charged particles and are called ions

Question 18

How are chemical bonds formed

Answer 18

A compound forms when two different elements combine

Question 19

Ionic bonding

Answer 19

Ionic bonding produces a compound that is formed from a metal and non-metal and is mad up of ions. This occurs when one atom loses electrons and another atom gains electrons.

Question 20

Covalent Bonding

Answer 20

Covalent bonding produces a compound formed from non-metals in which each atom shares electrons with another atom

Question 21

Chemical formulas

Answer 21

Every compound has a formula - it tells you the type and number of atoms present in a compound. The chemical formula is made up of letters and numbers e.g. H20, CH4

Question 22

Combining metals and non-metals

Answer 22

When a metal and a non-metal are combined the resultant compound is called after the name of the metal followed by the name of the non-metal with its ending changed to “-ide.”

Question 23

Electrons

Answer 23

They surround the atom and orbit the atom

Question 24

Protons

Answer 24

They are found in the nucleus

Question 25

Neutrons

Answer 25

They are also found in the nucleus, they have no charge