A. In the the seven blanks. Onese the connect word for each definition, Each word is used only once. square one or two letters that represent an element. square :a substance that consists of only one type of atom. square - :a group of chemical symbols and numbers that represent the elaments and the number of atoms of each element that make up ecorpound square : a small particle that is the building block of matter. square Eachart of the elements arranged into rows and columns according to their physical and chemical properties.

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