Periodic Table of Elements - A chart of the chemical elements that displays them in rows horizontally in order of increasing atomic number and vertically according to similarity of the chemical properties of their atoms., Element - A pure substance which consists of only one kind of atom., Atom - Smallest particle of an element that retains the properties of the element., Reactivity - how likely a chemical is to react with other chemicals, Atomic Mass - The mass of one atom., Chemical property - A description of whether a substance will react with other chemicals., Physical property - Descriptions of a substance based on observations that don't require you to create a new chemical., Family - Elements in a column in the Periodic Table. They have similar properties., Symbol - Abbreviation for an element used on the Periodic Table. , Chemical bond - The attachment or attraction between atoms. ,

Chemistry Week 5 Session 1

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