1) What is An Element a) A substance made of only one kind of atom b) a substance made of two or more different elements chemically joined c) Two or more atons bonded together can be the same or different elements 2) It is a substance made of two or more different elements chemically joined a) Compound b) Element c) Molecules 3) A shiny hard substance that conducts heat and electricity a) Heteronuclear diatomic b) Non-metal c) Metal 4) In living organisms, metals are found as a) Carbon b) Ions c) Hydrogen 5) How many elements are there in periodical table a) 118 b) 108 c) 67

Periodic table

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