If no correct answer is give, choose answer "e".
 
 

The periodic law states that when elements are arranged in order of _______ their properties repeat themselves at regular intervals. a. increasing atomic number b. decreasing atomic number c. increasing atomic mass d. decreasing atomic mass	Which of the following is a quantized property of an electron? a. energy b. mass c. charge d. charge to mass ratio
The maximum number of electrons found in a shell a. is the same as the shell number b. increases as the shell number increases c. varies in an unpredictable manner d. is eight	An alternate designation for the electron shell with n = 3 is the a. L shell b. K shell c. M shell d. S shell
The term "main energy level" is closely associated with the term a. supershell b. shell c. subshell d. orbital	Which of the following statements about a d subshell is correct? a. it contains 7 orbitals b. it may contain a maximum of 12 electrons c. it is only found in shells with n = 3 or greater d. it may contain electrons of differing energies
Which of the following subshell notations is an impossibility? a. 6s b. 3f c. 2p d. 5d	Which of the following subshell notations for electron occupancy is an impossibility? a. 5d7 b. 6s1 c. 4f11 d. 3p8
In an atom with many electrons, which of the following orbitals would be lowest in energy? a. 6s b. 5p c. 5d d. 4f	After the 5s subshell of an atom is filled with electrons, the next electron added will enter the a. 5p subshell b. 5d subshell c. 4d subshell d. 5f subshell
Indicate the missing words in the following statement: The Aufbau principle states that electrons normally occupy the _______ available. a. lowest energy "s" subshell b. lowest energy subshell c. lowest energy shell d. highest numbered shell	The correct electron configuration for chlorine (element #17) is: a. 1s22s22p63s5 b. 1s22s22p63s24s23p1 c. 1s22s22p63s23p5 d. 1s22s22p63p5
The electron configuration 1s22s22p63s23p64s23d104p3 is that for the element a. 31Ga b. 33As c. 35Br d. 36Kr	How many electrons are there in the outermost shell and subshell, respectively, in an atom with the electron configuration 1s22s22p63s23p3? a. 15, 3 b. 12, 3 c. 5, 3 d. 3, 3
Which of the following elements has an electron configuration ending in 5p3? a. 14Si b. 32Ge c. 50Sn d. 51Sb	Which of the following elements is a transition element? a. 20Ca b. 22Ti c. 34Se d. 54Xe
An atom of an element has an electron configuration ending in 3p…. Which of the following statements about the element's electron configuration is incorrect? a. there are eight electrons in the 2nd shell b. the 3rd shell needs two more electrons to be completely filled c. there are six electrons in the 3rd shell d. five different subshells contain electrons	Which of the following statements concerning periodic trends is incorrect? a. Metallic character decreases in moving from right to left across a given period in the periodic table. b. Nonmetallic character increases in moving from top to bottom down a group in the periodic table. c. Atomic radii tend to decrease from left to right in a period of the periodic table. d. Atomic radii tend to decrease from top to bottom within a periodic table group
Which of the following elements is a metalloid? a. 15P b. 13Al c. 33As d. 83Bi	How many unpaired electrons in one atom of vanadium? a. 1 b. 2 c. 4 d. 5