The periodic table and structure of the atom
Bonding
Chemical reactions
Chemical equations
Hydrocarbons
100
The number that represents the number of protons in an atom.
Atomic number
100
When a positive and negative ion are joined together by losing and gaining electrons
Ionic bonding
100
Conservation of matter
Matter can never be created or destroyed
100
Balance the following equation
100
A hydrocarbon that contains 5 carbon atoms
Pentane
200
Horizontal rows in the periodic table
Periods
200
When elements share electrons to join together
Covalent bonding
200
An acid plus a base forms _______ and _______
Salt and water
200
The substances on the right of a chemical equation.
The substances on the left of a chemical equation
Right: Products
Left: Reactants
200
Elements that are found in all hydrocarbons
Hydrogen and Carbon
300
Vertical columns in the periodic table
Groups
300
The formula for sodium chloride
NaCl
300
products formed when an acid is added to a metal.
A salt and hydrogen
300
The symbols/letters used to indicate the state a substance is in when we write a chemical equation
(s) (l) (g) (aq)
300
Plastics that can be heated and reshaped
Thermoplastics
400
Elements with different number of neutrons
Isotopes
400
Formula for the compound formed from aluminium and oxide ions
Al2O3
400
5 things that are evidence of a chemical reaction occuring.
Colour change
Bubbles/ gas released
Precipitate formed
Temperature change
Light emitted
400
When writing a chemical equation these substances are written above the arrow.
Catalyst
400
Found between the polymer chains in a thermosetting plastic that makes them burn and char rather than melt.
Cross links
500
Electrons in the outside shell
VAlence electrons
500
Ions that are made up of more than one type of atom.
Polyatomic ions
500
A reaction that forms a substance that does not dissolve in water.
Precipitation reaction
500
The salt formed from the reaction between CuO
and H2SO4
CuSO4
500
What polymer is made of the monomer ester and what is it often used to make.
Polyester often used in textiles/clothing