NAME:___________________________
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BONDING – HOLIDAY ASSIGNMENT
Complete each of the following questions. Be sure to show your work and answer each part of the
question carefully 
1. Explain what the term ELECTRONEGATIVITY means. Identify the MOST & LEAST electronegative
elements on the periodic table.
(2 marks)
2. Explain the difference between bonding electrons and lone pairs
(2marks)
3. Choose one of the first 20 elements.
a. Draw a Lewis Diagram of the element.
(5marks)
b. # valence electrons?
c. #lone pairs?
d. #bonding electrons?
e. #orbitals
NAME:___________________________
4. Identify three characteristics of each type of bond
a. Metallic
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(3 marks)
b. Covalent
c. Ionic
5. Draw a Lewis dot diagram for each of the following
a. MgO(s) Magnesium Oxide
b. Aluminium Ion (Al3+)
c. Nitrogen atom (N)
(3 marks)
NAME:___________________________
6. Draw Structural diagrams (line diagrams) for each of the following
a. H2O
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(5 marks)
b. CH4
c. PH3
d. CO2
e. CH3OH
7. Draw a Lewis Dot and Structural diagram for the polyatomic ion, Phosphate (PO43-)
(2 marks)
NAME:___________________________
8. Draw the Lewis Structure and determine the shapes of the following:
a. SiCl4
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(5 marks)
b. SF2
c. PBr3
d. BH3
e. CH2O
9. Using the VSEPR theory, predict the shape around the central atom of each of the following
molecules.
(12 marks)
a. Steps:
i. Draw the Lewis Dot Diagram
ii. Write the general formula
iii. Name the Stereochemical Shape
iv. Draw the Stereochemical Shape for the central atom.
a) SCl2(l)
b) NCl3(g)
NAME:___________________________
c)CCl4(g)
d) BBr3
e) H2CO
f) HCN
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5. Draw the stereochemical shapes of the following molecules created by the bonding of these
atoms . Give the name of the stereochemical shape
(6 marks)
a) H and Br
b) F and Br
c) N and H
d) S and Se
e) Ca and Cl
f) P and H