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Chapter 2: Q152CP (page 88)
TNT (trinitrotoluene; below) is used as an explosive in construction. Calculate the mass of each element in 1.00 lb of TNT.
Themass of each element in 1 lb of TNT can be found, as:
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Glyphosate (below) is a common herbicide that is relatively harmless to animals but deadly to most plants. Describe the shape around and the hybridization of the P, N, and three numbered C atoms.
Fill in the blanks:
(a) The symbol and atomic number of the heaviest nonradioactive noble gas are ________and ________.
(b) The symbol and group number of the Period 5 transition element whose atoms have the fewest protons are ________and ________.
(c) The elements in Group 6A(16) are sometimes called the chalcogens.The symbol and atomic number of the first metallic chalcogen are ________and ________.
(d) The symbol and number of protons of the Period 4 alkali metal atom are ________and ________.
Each scene below represents a mixture. Describe each one in terms of the number of elements and/or compounds present.
Explain the following statement: The smallest particles unique to an element may be atoms or molecules.
A compound of copper and sulfur contains 88.39 g of metal and 44.61 g of nonmetal. How many grams of copper are in5264 kg of the compound? How many grams of sulfur?
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