This GCSE Physics quiz is about radioactivity, specifically atomic structure. The scientific method involves developing a hypothesis and then carrying out experiments to gather evidence to support it, however, that hasn't always been the case. The ancient Greeks, for example, did not carry out any...
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THE ATOM An atom is the smallest particle of an element that still has the properties of that element 50 million atoms, lined up end to end = 1 cm An atom. Atomic Structure. The Periodic Table & Atomic Structure Edexcel GCSE Groups in the Periodic Table What is an element? Particle Rela...