AQA GCSE Chemistry(8462) Atomic Structure and Periodic
Table [KEYTERMS]
Jeremiah
Practice questions for this set
Terms in this set (31)
Define electrons. Negatively charged, found in shells around the nucleus, negligible mass
Define protons. Positively charged, part of the nucleus, mass of one
Define neutron. No charge, part of the nucleus, mass of one
Define nucleus. Center of an atom, made up of protons and neutrons
Smallest particle of an element that can exist alone; made up of protons, neutrons and
AQA GCSE Chemistry(8462) Atomic Structure and Periodic Table [KEYTERMS]
Define atom.
electrons
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