Which describes the outer shells of the atoms in a dot and cross diagram for one molecule of hydrogen chloride, HCl\text{HCl}HCl?
The hydrogen atom has 1 electron and the chlorine atom has 7 electrons
The hydrogen atom has 8 electrons and the chlorine atom has 8 electrons
The hydrogen atom has 2 electrons and the chlorine atom has 8 electrons
The hydrogen atom has 2 electrons and the chlorine atom has 7 electrons
98 exam-style questions on AQA GCSE Chemistry 2.1 Chemical bonds, ionic, covalent and metallic, covering 2.1.1 Chemical bonds, 2.1.2 Ionic bonding, 2.1.3 Ionic compounds, 2.1.4 Covalent bonding, and 2.1.5 Metallic bonding. Each one has a worked solution and a mark scheme showing where the marks go.