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Across 1. combination of materials in which the materials still retain their original properties 6. compound of 1 metallic and a nometallic element thru ionic bonding 7. compound of oxygen and one other element 11. any of various elastics subsatnces, that stretch rapidly under tension 14. compound containing carbon and one or more metallic elements 15. elemental chemical substance, that is a good conductor of heat and electricity

Down 2. any chemical compund that contains carbon, with some exceptions, EX: carbon dioxide 3. project lead the way 4. material that changes shape or form when heated, then changes again when reheated 5. substance of 2 or more elements in fixd proportions 8. material such as epoxy or polyester resin in which thru heat or chemical means it will change shape only once, when reheated it remains the same 9. compound made of nitrogen and a metal 10. realted to or containing iron 12. substance made of 2 or more metals, or a metal and a nonmetal intimately united, usually by fusing 13. substance that cannot be broken down into simpler components by chemical means