Worksheet requires students to calculate the % atom ecomony of producing a certain required product in a given chemical reaction. For the fully differentiated worksheets and answer sheets for % atom economy and % yield please go to: https://www.tes.com/teaching-resource/chemistry-percentage-yield-and-atom-economy-calculations-with-differentiated-worksheets-11079543

Empirical formula calculations together with a worked example.

Worksheet which reinforces the differences between exothermic and endothermic reactions.

A double-sided worksheet and answer sheet which is written in American English and aimed at 14-17 year old chemistry students studying atoms and atomic structure.

Two worksheets and answer sheets which are written in American English and aimed at 14-17 year old chemistry students studying crude oil and the molecules which come from oil.

A double-sided worksheet and answer sheet which is written in American English and aimed at 14-17 year old chemistry students studying chemical equilibrium.

A double-sided worksheet and answer sheet which is written in American English and aimed at 14-17 year old chemistry students studying analysis of different compounds.

Two worksheets and answer sheets which are written in American English and aimed at 14-17 year old chemistry students studying metals.

Two double-sided worksheets and answer sheets which are written in American English and aimed at 14-17 year old chemistry students studying reversible reactions. These worksheets concentrate on the Haber process which reacts nitrogen and hydrogen to manufacture ammonia.

Two worksheets and answer sheets which are written in American English and aimed at 14-17 year old chemistry students studying iron and steel.

A collection of three sets of 12 multiple choice questions which can be used as a starters/plenaries or tests covering year 1 alkanes, alkenes and haloalkanes.

A double-sided worksheet and answer sheet which is written in American English and aimed at 14-17 year old chemistry students studying alcohols.

A collection of eight sets of 12 multiple choice questions which can be used as starters/plenaries or tests covering year 1 atomic structure, alkanes, alkenes, haloalkanes, alcohols, chemical calculations, bonding and shape and group 7 elements.

A double-sided worksheet and answer sheet which is written in American English and aimed at 14-17 year old chemistry students studying energy changes.

A double-sided worksheet and answer sheet which is written in American English and aimed at 14-17 year old chemistry students studying energy changes in chemical reactions.

Two worksheets and answer sheets which are written in American English and aimed at 14-17 year old chemistry students studying groups and periods in the periodic table.

Two double-sided worksheets and answer sheets which are written in American English and aimed at 14-17 year old chemistry students studying group 7 elements, the Halogens, in the periodic table.