Lithium is used in the batteries of mobile phones. An atom of lithium contains 3 protons, 4 neutrons and 3 electrons.
Name the particle in the atom that has no charge.
State where the protons and neutrons are found in the atom.
Give the atomic number of lithium.
State where the electrons are found in the atom.
Give the relative charge of a proton and the relative charge of an electron.
Explain why a lithium atom has no overall charge.
46 exam-style questions on Edexcel GCSE Chemistry 2.1 Atomic structure, covering 2.1.1 Development of the atomic model, 2.1.2 Structure of the atom and subatomic particles, 2.1.3 Mass number, isotopes and relative atomic mass, and 2.1.4 Calculating relative atomic mass from isotopic abundance. Each one has a worked solution and a mark scheme showing where the marks go.