Oxygen
________ is added to an element or a compound.
carbon atom
The ________ has been oxidised since it has gained oxygen.
Metal elements
________ have either 1, 2 or 3 electrons in their outer electron orbits.
Reduction
________ is the gain of electrons by a substance.
Oxidation
________ is the loss of electrons from a substance.
loss of oxygen
It is also the ________ from a substance.
Aluminium
________ has been oxidised.
gain of oxygen
It is also the ________ by a substance.
Metal ions
________ are positively charged as they lose negative electrons.
Metals
________ can be ranked according to their level of reactivity to form the metal reactivity series.
element or compound.
Oxygen is removed from an_______-
Oxidation
________ and reduction involve the addition or removal of oxygen from a substance and are called redox reactions.
Extracted
draw back
formation
the action of forming or process of being formed.
Redox
oxidation and reduction considered together as complementary processes.
Reactivity Series
____________of metals is a chart listing metals in order of decreasing reactivity.
Oxidizing agent
An oxidizing agent is a compound or element that participates in a redox (oxidation-reduction) reaction and accepts electrons from a different species
Reducing agent
a substance that tends to bring about reduction by being oxidized and losing electrons