1) What is this? a) molecule and pure element b) compound molecule c) one atom of a pure element 2) What is this? a) single atom b) pure element c) compound with 2 atoms d) compound with one atom 3) This is water. Water is what type of molecule? a) simple b) complex c) compound 4) What is a pure substance made of only one type of atom? a) element b) compound c) Periodic Table d) atom 5) What is a molecule made up of 2 or more atoms chemically bonded together? a) combined atoms b) compound c) molecule d) both a molecule and a compound 6) Can an element be broken down into other substances? a) Yes b) No 7) Can a compound be broken down into other substances? a) Yes b) No 8) How many atoms are there in one molecule of water? a) 1 b) 2 c) 3 d) 4 9) True or false? All compounds are always molecules, but not all molecules are compounds. a) True b) False 10) What are these? a) pure elements b) molecules that are pure elements c) compound molecules 11) What are these? a) pure elements b) molecules c) compound molecules d) both a and b e) all of the above 12) How many different elements are found in NaCl? a) 1 b) 2 c) 3 13) What are these? a) atoms b) molecules c) compounds 14) All elements on the Periodic Table are arranged according to their? a) chemical symbol b) atomic mass c) atomic number 15) Each element has a unique number of protons in its atoms. a) true b) false

Element, Molecule, or Compound

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