1) A compound is made up of two or more ___________________ of atoms.  a) different types b) similar types c) bonded pairs d) identical sets 2) Matter is defined as anything that has ______________ and volume.  a) density b) mass c) length d) height 3) Oxygen is considered a(n) ____________________ because it is made of one type of atom. a) compound b) proton c) electron d) element 4) A(n) ____________________ is a single type of atom. a) compound b) substance c) element d) nucleus 5) A molecule is made up of two or more __________________ bonded together. a) elements b) atoms c) compounds d) liquids 6) Which part of the picture represents the chemical symbol? a) 50 b) Sn c) Tin d) 118.711 7) Water (H 2 O) is an element. a) true b) false 8) NaCl (salt) is considered a compound.  a) true b) false 9) A compound is always a(n) a) atom b) bonded pair c) molecule d) element 10) A molecule is not always a compound, _________ is an example of a molecule of an element, not a compound a) H2O2 b) NO2 c) N2O d) H2

Atoms,Molecules & Compounds

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