Contenu connexe Similaire à Chemistry Jeopardy (20) Chemistry Jeopardy1. 2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt Periodic Table Metals Compounds Atoms Misc. 3. What is a metalloid? An Element with Properties of metals and nonmetals 5. “ He” stands for Helium. What is “He” called? A chemical symbol 6. What do the numbers on the periodic table stand for? Answer 7. What do the numbers on the periodic table stand for? The number of protons an element has 10. How are the new elements that are added to periodic table made? Answer 11. How are the new elements that are added to periodic table made? Artificially 15. Why is copper used in electric wiring? To conduct or transfer electricity 18. What do you call a metal that is NOT a pure element? (either made up of mixtures of metals or metals and other elements) Answer 19. What do you call a metal that is NOT a pure element? (either made up of mixtures of metals or metals and other elements) An alloy 21. What five properties can describe metals? Luster (shininess), Malleability (Hammered or rolled into thin sheets), ductile (can be formed into wires), conductors of electricity and heat 25. When atoms joins to form a compound, they undergo a ____ ______. Chemical change 30. What does a chemical formula show? The number of atoms of each element in one molecule of a compound 31. How would you write the chemical formula for the compound table salt (sodium chloride)? Answer 32. How would you write the chemical formula for the compound table salt (sodium chloride)? NaCl 36. What is an atom made up of? Subatomic particles (protons, neutrons, and electrons) 39. What is the smallest unit of an element called? Answer 40. What is the smallest unit of an element called? An atom 44. What was John Dalton’s atomic theory? That all matter is made up of tiny particles called atoms 51. What are the four categories on the Periodic Table of Elements? Answer 52. What are the four categories on the Periodic Table of Elements? Metal, metalloid, nonmetal, and artificial