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NameInstructorCourseDateANSWER TO CHEMISTRY QUESTIONSSolution to Question 2.27I would expect to find all the atoms positive charges and its mass to be concentrated in thenucleusSolution to Question 2.28N2 + H2 NH3The equation N + H2 NH3 is flawed because nitrogen a molecule formed by two atoms. Thecorrect balanced equation would be N2 + 3H2 2NH3, where we first balance the oxidationunits and then the mass.Solution to Question 2.40Atomic symbol for copper is Cu; Calcium is Ca: mercury is Hg; and tin is Sn.Solution to Question 2.62Example and name for:Transition element in fourth period - Scandium (Sc) is between calcium and tituniam and is thefirst transition metal in the groupAna alkaline metal- Calcium (Ca) One of the six metals in group twoA main group (representative) element in the third period- Sodium (Na) is one of the eightelements in the third periodAn actinide element- Thorium (Th) is the second element in the series ofelements known as actinides ranging from actinium tolawrencium with atomic numbers between 89 and 103.Solution to Question 2.72Molecular formula for:H2SO4C6H12 andCH3CH2OSolution to Question 2.73T ...


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