1) What is an example of a physical change a) Burning coal b) Dissolving sugar in tea c) Baking bread d) Striking a match 2) What is a chemical reaction here a) Boiling ethanol b) Burning ethanol c) making crystals d) freezing ethanol 3) When certain metals are put into acid they fizz why? a) They give off hydrogen gas b) they give off oxygen gas c) they give off carbon dioxide d) the acid is turning into a gas 4) What is the chemical symbol for Iron? a) I b) Ir c) Fe d) F 5) What is the atomic number for Boron? (use your periodic table) a) 1 b) 2 c) 3 d) 4 e) 5 f) 6 6) Which of these elements belong to the alkaline earth metals? a) Lithium b) Calcuim c) Sodium d) Potassium 7) Group 8 (that includes helium, Argon, Kryton) do not react with any other elements is known as a) noble gases b) transistion metals c) alkali metals d) halogens 8) What is a compound? a) an element b) 2 or more elements joined together c) 2 or more elements mixed together d) something that does not react 9) Which of these metals react with water? a) Gold b) Silver c) Copper d) Potassium 10) How can we seperate iron and sulphur mixed together a) you can't b) use a magnet c) dissolving d) filtering 11) The test for hydrogen is that a) it smells like eggs b) it burns with a pop c) it relights a glowing splint d) it turns lime water milky 12) A pupil bubbles a mystery gas through lime water and it turns milky - what type of gas is it? a) hydrogen b) carbon monoxide c) carbon dioxide d) oxygen 13) The test for oxygen is that it? a) turns milkwater limey b) turns limewater milky c) relights a glowing splint d) it burns with a pop 14) Staliatites are rock formations found where in a cave? a) The walls b) the ceiling c) the ground d) in the air 15) Compounds always have more than one element a) True b) False 16) Molecules always have more than one element a) True b) False

Periodic table quiz

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