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CHEM 121 Final Exam (2 Versions) Includes Accurate And Verified Questions Covering Foundational General Chemistry Topics Such As Atomic Structure, Periodic Trends, Stoichiometry, Chemical Bonding, Gas Laws, Solutions, Thermochemistry, And Basic Equilibrium.
Version 1
Which of the following distinguishing electrons represents an element with properties similar to an element with 3p^3 distinguishing electron?1) 4p^3 2) 3p^2 3) 3d^3 4) 2p^2 - ANSWER-1) 4p^3
The total number of f orbital in an f subshell is 1) 2 2) 5 3) 7
4) 10 - ANSWER-3) 7 1 / 4
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Which of the following elements has an electronic configuration of 1s^2 2s^2 2p^6 3s^2 3p^1 1) F 2) Al 3) Mg 4) Ga - ANSWER-2) Al
Which of the following elements is most likely to be a metalloid?1) Ge 2) Mo 3) S 4) Cs - ANSWER-1) Ge
Which of the following elements is found in the same period of the periodic table as Sn?1) Si 2) As 3) Te 4) more than one response is correct - ANSWER-3) Te 2 / 4
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How many electrons are in the outer shell of element 15?1) 5 2) 3 3) 15
4) 2 - ANSWER-1) 5
Which of the following elements is a nonmetal?1) Ni 2) Cu 3) Ba
4) I - ANSWER-4) I
The total number of unpaired electrons in silicon(Si) is 1) 0 2) 1 3) 2
4) 3 - ANSWER-3) 2
The radius of a K atom is ______ a Ca atom. 3 / 4
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1) smaller than 2) larger than 3) equal to 4) inverted from - ANSWER-2) larger than
Which element has the distinguishing electron, 5p^4?1) Br 2) Mn 3) Te 4) Kr - ANSWER-3) Te
What is the shell number for the outer shell electrons in bromine (Br)?1) 4 2) 3 3) 5
4) 6 - ANSWER-1) 4
Which set of coefficients balances the equation ____ CH4 --->
____ C3H8 + ____ H2?
1) 3,1,1
- / 4