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I. States of matter (210)

II. Elements, compounds and mixtures (90)

III. Atomic structure (154)

IV. Bonding (257)

V. Representing chemical reactions (80)

VI. Quantitative aspects of chemical reactions (112)

VII. Acids, bases and salts (215)

VIII. Water and water solutions (109)

IX. The periodic table and chemical properties of the elements (215)

X. Reactivity of metals (89)

XI. Electrolysis (82)

XII. Organic chemistry (139)

XIII. Chemical reactions (174)

XIV. Useful products from organic sources (123)

XV. Useful products from rocks (191)

XVI. Useful products from air (108)

XVII. Food and drugs (122)

XVIII. Chemistry and the Earth (229)

XIX. Laboratory techniques and analytical tests (114)

XX. Safety in the chemical laboratory (32)

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Resources: 1 – 25 Total: 26

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		[Whiteboard exercise] Arrangement of the elements in the periodic table Play					[Student activity] Atomic masses in the periodic table Play


		[Student activity] Calculating the isotopic composition of an element Play					[Whiteboard exercise] Calculating the relative molecular mass of a compound Play


		[Animation] Calculation of the percentage composition of a given compound Play					[Whiteboard exercise] Chlorine isotopes Play


		[Animation] Determination of average atomic mass of boron Play					[Animation] Determination of isotopic composition of silver Play


		[Simulation] Dinitrogen pentoxide Play					[Simulation] Glucose Play


		[Simulation] Hydrogen fluoride Play					[Whiteboard exercise] Mass percentage of hydrogen in methane Play


		[Class activity] Relative atomic mass Play					[Student activity] Relative atomic mass Play


		[Whiteboard presentation] Relative atomic mass Play					[Whiteboard exercise] Relative atomic mass of magnesium Play


		[Student activity] Relative molecular mass Play					[Animation] Relative molecular mass Play


		[Animation] The atomic masses of chemical elements in the periodic table Play					[Animation] The relative atomic mass Play


		[Whiteboard exercise] The relative atomic mass and its units Play					[Animation] The relative atomic mass of a natural element Play


		[Whiteboard exercise] The relative atomic mass of an element Play					[Animation] What decides whether an atomic mass is a whole number or not Play


		[Student activity] Why atomic masses are not usually whole numbers? Play

Resources: 1 – 25 Total: 26

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