___1.  Which one of the following has the element name and symbol incorrectly matched?

A) K, potassium

B) Co, cobalt

C) Fl, fluorine

D) Ag, silver

E) As, arsenic

 

 

___2.   Determine the number of protons, neutrons and electrons in the following:

 

A) p+ = 18 n° = 18                  e- = 22

B) p+ = 18 n° = 22                  e- = 18

C) p+ = 22 n° = 18                  e- = 18

D) p+ = 18 n° = 22                  e- = 40

E) p+ = 40        n° = 22            e- = 18

 

 

___3.   Identify a cation.

A) An atom that has lost an electron.

B) An atom that has gained an electron.

C) An atom that has lost a proton.

D) An atom that has gained a proton.

E) A neutral atom

 

 

___4.  What species is represented by the following information?

 

                 p+ = 12     n° = 14      e- = 10

 

A) Si4+

B) Mg

C) Ne

D) Si

E) Mg2+

 

___5.  Which of the following elements is NOT a metal?

A) Barium

B) Gallium

C) Argon

D) Lead

E) Tungsten

 

___6.   In which of the following sets are all species isoelectronic (same number of electrons)?

A) F-1, Ne, Mg2+

B) Ge, Se2-, Br-1

C) K+1, Rb+1, Cs+1

D) Br, Br-1, Br+1

 

 

___7.  Calculate the atomic mass of element X, If X has 2 naturally occurring isotopes with the following masses and natural abundances. Identify the element

 

                 Isotope 1              62.93 amu      69.09 %

                 Isotope 2              64.93 amu      30.91 %

 

 

___8. Each of the following sets of quantum numbers is supposed to specify an orbital. Choose the one set of quantum numbers that does not contain an error.

A) n = 2, l = 2, ml =+1

B) n = 2, l = 2, ml =0

C) n = 3, l = 2, ml =-3

D) n = 4, l = 3, ml =-2

E) n = 4, l = 2, ml =+4

           

 

___9.   Which of the following elements has the largest atomic radius?

A) Li

B) F

C) O

D) C

E) Cs

 

 

___10. The element that corresponds to the electron configuration 1s22s22p63s23p64s13d5 is ________.

A) titanium

B) vanadium

C) chromium

D) manganese

E) iron

             

 

 

 

___11. Zn²⁺  is:

           a. diamagnetic.

           b. paramagnetic with one unpaired electron.

           c. paramagnetic with two unpaired electrons.

           d. paramagnetic with four unpaired electrons.

           e. paramagnetic with five unpaired electrons

___12. Place the following types of electromagnetic radiation in order of decreasing energy.

 

           gamma rays   radio waves    microwaves

 

A) radio waves > microwaves > gamma rays

B) gamma rays > microwaves > radio waves

C) radio waves > gamma rays > microwaves

D) gamma rays > radio waves >microwaves

E) microwaves > radio waves > gamma rays

 

___13. Calculate the wavelength (in nm) of the blue light emitted by a mercury lamp with a frequency of

6.88 × 1014 Hz.

A) 229 nm

B) 436 nm

C) 206 nm

D) 485 nm

 

___14. Which of the following quantum numbers describes the size and energy of an orbital?

A) magnetic quantum number

B) principal quantum number

C) angular momentum quantum number

D) spin quantum number

E)  Schrödinger quantum number

 

___15.Which of the following quantum numbers describes the shape of an orbital?

A) principal quantum number

B) magnetic quantum number

C) spin quantum number

D) Schrödinger quantum number

E) angular momentum quantum number

 

 

 

 

 

                                                                                

___16. Which of the following statements is TRUE?

A) The principal quantum number (n) describes the shape of an orbital.

B) The angular momentum quantum number (l) describes the the size and energy associated with an orbital.

C) The magnetic quantum number (ml) describes the orientation of the orbital.

D) An orbital is the path that an electron follows during its movement in an atom.

E) All of the above are true.

 

____17. Place the following in order of increasing first Ionization Energy IE1.

           N            F            As

 

A) N < As < F

B) As < N < F

C) F < N < As

D) As < F < N

E) F < As < N

 

 

  18.   How many photons are contained in a burst of green light (525 nm) from a sodium lamp that contains 189 kJ of energy?

 

 

 

 

 

 

 

19.      For each of the following write the complete electron configuration and orbital diagram. 

           State whether it is diamagnetic or paramagnetic.

 

a.     P

 

 

 

 

b.     Zn

 

 

 

 

 

 

20.      What is the energy and the wavelength, in nm, of electromagnetic radiation absorbed when a hydrogen electron undergoes a transition from n=1 to n=5? 

 

a.             energy

 

 

 

 

 

 

 

b.            wavelength

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