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OCR: WHAT COMPOUND? COMPOUND is a substance in which the atoms of two or more elements are joined together by chemical bonds. Because of these bonds very difficult to n1 a compound Chlorine gas into its individual elements. The type and number of bonds formed depend on the electrons (particles with MAKING A negative electrical charge) in each atom COMPOUND iron The properties ofa compound can wool When burning tr be very different from those the added chlorine gas, elements 1f con tains. For example the colorful reaction salt we ust in our food e harmless occurs and new com ipound, yet made up of two compound made dangerous elements sodium, which reacts violently with air; and chlorine which is poisonous in large quantities ELECTRON INIC COVOLENT VALENCY OLSO SHELLS BONDS SONOS split MAKINGA po ...