Ch. 3, 4, & 11 atom / molecules, chemical names & AO  test  [50 points] H Chemistry

1.   fill-in the below table  [10 points]

symbol

# protons

# neutrons

# electrons

charge

Atomic mass

60 Fe3+

 

 

 

 

 

 

 

70

 

+ 2

120

 

7

8

 

- 3

 

2.  fill-in the below table  [10 points]

Chemical name

Chemical formula

Tin (IV) nitrate

 

Aluminum oxide

 

 

Pb3 (PO4 )2

 

N2 F6

Trisulfur octachloride

 

3.  What is the name (not symbol) of the atoms and the number of each atom in the a molecule of  __.  [12 points]

a.  ammonium nitrate contains:  ______________________________________

b.  Pb3 (PO4 )2   contains:  _____________________________________________

4.  draw the orbital diagram of  ___; use nobel gas “shortcut” notation.  [8 points]

a.  sulfur

b.  tin


5.  What is the periodic trend in the (first) ionization energy in a row of the periodic table ?  justify / rationalize your response.  [10 points]

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Ch. 3, 4, & 11 atom / molecules, chemical names & AO  retest  [50 points] H Chemistry

1.  fill-in the below table  [10 points]

symbol

# protons

# neutrons

# electrons

charge

Atomic mass

70 Zn2+

 

 

 

 

 

 

 

72

 

+ 2

125

 

15

18

 

- 3

 

2.  fill-in the below table  [10 points]

Chemical name

Chemical formula

mercury (I) phosphate

 

 

Fe2 O3

 

NaHCO3

 

P2 I7

Tri-nitrogen decafluoride

 

3.  What is the name (not symbol) of the atoms and the number of each atom in the a molecule of  __.  [10 points]


a.  tin (IV) peroxide contains:  ______________________________________

b.  Be(NO3 )2   contains:  _____________________________________________

 

4.  Define “electron spin” and its implications in regards to electron orbitals.  [4 points]

5.  sketch the __  AO; include the x-, y-, z- axis to illustrate their orientation with respect to these axis.  [6 points]

a.  px

b.  dxz

6.  For magnesium, 2nd IE  << 3rd IE; rationalize this observation.  [10 points]