1) Which is NOT a kind of atom? a) Hydrogen b) Magnesium c) Uranium d) Pandamonium 2) Which substance in the video was an element? a) wood b) water c) copper d) glass 3) Oxygen atoms are NOT in: a) wood b) water c) copper d) glass 4) How many KINDS of atoms in 2 kilograms of copper? a) none b) 1 c) 2 d) 92 e) trillions of trillions 5) How many kinds of atoms is the world made of? a) none b) 1 c) 92 d) more than quadrillions of quadrillions 6) Atoms can be seen with a) our eyes b) a 100x microscope c) a 1000x microscope d) an electron microscope 7) Which colour is an oxygen atom? a) red  b) blue c) black d) grey e) atoms don't have colours

Video 4 Quiz B

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