Tin: Quiz


Question 1: Aside from 126Sn, which has a ________ of 230,000 years, all the radioactive isotopes have a half-life of less than a year.
Radioactive decayNuclear fissionHalf-lifeCosmic ray

Question 2: Pewter, which is an alloy of 85% to 90% tin with the remainder commonly consisting of copper, ________ and lead, was used for flatware from the Bronze Age until the 20th century.

Question 3: Tin acts as a ________ when oxygen is in solution and helps accelerate chemical attack.

Question 4: Tin forms the dioxide SnO2 (cassiterite) when it is heated in the presence of ________.
History of the EarthEarthNatureAtmosphere of Earth

Question 5: Tin shows chemical similarity to both neighboring group 14 elements, ________ and lead, like the two possible oxidation states +2 and +4.

Question 6: New deposits are reported to be in southern ________,[32] and in 2009, new deposits of tin were discovered in Colombia, South America, by the Seminole Enterprises Group.

Question 7: ________ can be mixed with calcium abrasives while the more common sodium fluoride gradually becomes biologically inactive combined with calcium.
Sodium monofluorophosphateEugenolTin(II) fluorideHydrogen peroxide

Question 8: The Bronze Age arrived in Egypt, Mesopotamia and the ________ by around 3000 BC.
Prehistoric religionIndo-Aryan migrationIndus Valley CivilizationAncient Near East

Question 9: Tin combines directly with ________ forming tin(IV) chloride, while reacting tin with hydrochloric acid in water gives tin(II) chloride and hydrogen.

Question 10: ________ compounds or stannanes are chemical compounds based on tin with hydrocarbon substituents.
Organocopper compoundOrganochlorideOrganoboron chemistryOrganotin

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