Question List for "General Chemistry: Principles and Modern Applications"

Pages: 1 ... 183 184 [185] 186 187 ... 192
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Chemistry » In which of the following sets do all species have the same number of electrons? New
Started by jlmhmf
 25 Jul 8, 2021
Chemistry » An atom that has an atomic number of 20 and a mass number of 42 is an isotope of an atom that has: New
Started by Bob-Dole
 49 Jul 8, 2021
Chemistry » A sample of pure carbon weighing 1.48 g was burned in an excess of air. The mass of carbon dioxide, ... New
Started by mp14
 57 Jul 8, 2021
Chemistry » A certain mass of nickel reacts with sulphur to produce 2.83 g of NiS. The same mass of nickel ... New
Started by DyllonKazuo
 43 Jul 8, 2021
Chemistry » A 25 g sample of sugar is found to contain 51.4% oxygen by mass. Another 250 g sample of the same ... New
Started by kshipps
 28 Jul 8, 2021
Chemistry » Choose the INCORRECT statement from those given below. New
Started by casperchen82
 41 Jul 8, 2021
Chemistry » The SI unit of mass is 1 gram. New
Started by ereecah
 44 Jul 8, 2021
Chemistry » An element has 5 stable isotopes. The mass and percentage of each are: 89.9043 51.46% 90.9053 11.23% ... New
Started by EY67
 47 Jul 8, 2021
Chemistry » A species that differs in charge from another atom of the same element: I) is called an isotope II) ... New
Started by nelaaney
 67 Jul 8, 2021
Chemistry » A hypothetical element, E, has two stable isotopes: E-46 = 46.046 u 64.08% E-51 = 50.826 u 35.92% ... New
Started by audragclark
 24 Jul 8, 2021
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