atom - tiny pieces of matter that make up everything, nano - really small, element - made of only one kind of atom, periodic table - arrangement of elements based on their mass, groups - vertical columns on PT, periods - horizontal rows on PT, symbol - shorthand way of referring to an element, metals - elements that are generally shiny and hard, nonmetals - elements found on the right side of the periodic table, compounds - a substance in which atoms of two or more elements bond together, bonding - the way in which atom join together, sodium chloride - table salt, made of atoms of Na and Cl, formula - uses chemical symbols to show how many atoms of different elements are present in a particle of an element or compound, meniscus - bottom of the curve in which you read when you are measuring the volume of a liquid,

Y7 2.5 and 2.6 Elements and Compounds

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