KS4 Chemistry

Define conservation of mass and apply this chemical equation.

Describe what happens when metals and non-metals react in terms of electrons. Explain why noble gases don't react and describe and explain the physical property trends of Group 0.

Represent electronic structures of atoms using numbers and diagrams, and explain how electronic structure is linked to the group and period number in the periodic table.

Describe the discoveries that led to an increased understanding of the structure of atoms and how we have arrived at the current atomic model.

Define an isotope, and compare isotopes of elements. Calculate relative atomic mass using isotopic abundances.

Describe the structure of an atom in terms of the number of protons, neutrons and electrons. Understand atomic mass and atomic number and use them to calculate the number of subatomic particles.

Define and identify atoms, elements and compounds. Name compounds from their formula.