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Science 8 2b
Review of the periodic table
Question | Answer |
---|---|
Silicon exists in the __________ group. A) noble B) metal C) boron D) carbon | carbon |
Lanthanides are __________. A) easily confused with other metals B) nonmetals C) different from each other D) similar to each other | similar to each other |
Which element is a gas at room temperature? A) hydrogen B) carbon C) gold D) mercury | hydrogen |
Hg is the symbol for __________. A) helium B) silver C) hydrogen D) mercury | mercury |
The iron triad has __________ properties. A) no chemical B) nonmetallic C) magnetic D) unusual | magnetic |
Sulfuric acid contains which elements? A) sulfur, oxygen, and hydrogen B) sulfur, nitrogen, and phosphorus C) sulfur, nitrogen, and oxygen D) sulfur, helium, and hydrogen | sulfur, oxygen, and hydrogen |
Halogens form __________ when mixed with alkali metals. A) gases B) noble gases C) salts D) acids | salts |
Which gas is a noble gas? A) hydrogen B) ozone C) oxygen D) helium | helium |
Mendeleev arranged families of elements __________ in his periodic table. A) diagonally B) horizontally C) circularly D) vertically | horitzontally |
What is a common property of nonmetals? A) malleability B) shininess C) ductility D) poor conductors | poor conductors |
Noble gases __________ react with other elements. A) seldom B) violently C) always D) do not | do not |
Iron in hemoglobin transports __________ in the blood. A) helium B) carbon dioxide C) hydrogen D) oxygen | oxygen |
A(n) __________ of elements on the modern periodic table contains elements with similar chemical and physical properties. A) group B) family C) area D) zone | group |
All actinides are __________. A) gases B) radioactive C) non reactive D) nonmetals | radioactive |
Elements used in dentistry include __________. A) silver, gold, and platinum B) fluorine, chlorine, and bromine C) lead, silver, and mercury D) silver, fluorine, and mercury | silver, fluorine, and mercury |
__________ is an alkali metal. A) Barium B) Lead C) Sodium D) Magnesium | sodium |
The __________ contains the name, atomic number, symbol, and atomic mass of an element. A) letter B) element key C) property D) bulls eye | element key |
Which elements are essential for life? A) uranium and plutonium B) mercury and lead C) nitrogen and phosphorus D) gold and silver | nitrogen and phosphorus |
From left to right, what are the order of zones on a periodic table? A) nonmetals, metalloids, and metals B) metals, nonmetals, and metalloids C) metalloids, metals, and nonmetals D) metals, metalloids, and nonmetals | metals, metalloids, and nonmetals |
Which alkali metal element is most reactive? A. Li B. Na C. K D. Cs | Cs |