Quiz-Busters - Elements, Mixtures and Compounds

Elements, Mixtures and Compounds

Elements, mixtures and compounds, useful for year 8's.
What O is the element that makes up 21% of the air?. What C is a compound that contains calcium, carbon and oxygen? . What C is the term given to a substance that is made up elements chemically joined together?. What E is the name given to the substance that can not be split into anything simpler?. What M is name given to a substance that contains 2 or more atoms joined together?. What A is a mixture of the gases nitrogen, oxygen, argon and carbon dioxide?. What M is the element represented by the chemical symbol Mg?. What A is the metallic element represented by the chemical symbol Al?. What H is the element that is a colourless gas that gives a squeaky pop when a lit?. What M O is the compound formed when magnesium burns in oxygen?. What S is a compound that contains sulphur but not oxygen?. What C is a shiny orange looking metal that is useful for electrical wiring?. What H is the name for the group of elements that contains, fluorine, chlorine, bromine and iodine?. What C is an element that looks like a black powder, when combined with oxygen forms a gas?. What C is a green poisonous gas that belongs to the halogens?. What N is the name for the compounds that contain 1 nitrogen and 3 oxygen atoms?. What M is the name for a collection of compounds and elements not chemically joined?. What I is name for the element that has the chemical symbol Fe?. What I S is the compound made from the a shiny magnetic metal and a yellow powder?. What S W is the name for a common mixture that covers approximately 72% of the earth?.