CHEM 1001/CHM1020/CHM1025C/CHM1032C    Name: __Answers___

Module Three Sample Pretest

Module Three: Part D        Electron Dot Formulas         10 points

Using the periodic chart, draw the electron dot formulas of the following elements (the numbers shown are the element’s atomic number and mass number):

1.  6C12

       

2.  14Si28

       

3.   9F19

       

4.  11Na23

       

5.  15P31

       

6.   1H1

 

7.   7N14

 

8.   8O16

 

9.   10Ne20

 

10.  16S32

Complete Table of Representative Elements’ Dot Structures

                    

Module Three: Part F       Periodic Ionic Properties        10 points

Using a periodic chart, write the ionic character (monoatomic ionic charge) of the following elements: (The number before the element is its atomic number)

 

1.  19 K     _1+_____                         6.    9F      __1-__

 

2.  20Ca    _2+____                           7.    1H      __1+__    __1-___  

 

3.  7N        _3-____                           8.    16S     __2-__

 

4.  17Cl      _1-____                           9.    10Ne   __0___

 

5.  53I         _1-____                         10.   15P     __3-___