Chemical Bonding Review Worksheet
1.
Which part of the atom is responsible for chemical bonding?
___________________________________________________________
2.
What are valence electrons(be specific)?
___________________________________________________________
3.
How many valence electrons do most atoms need to have a complete outer shell and be happy? ___________________________________________________________
4.
Which two elements only need two valence electrons to be happy?
___________________________________________________________
5.
Why do the elements you named in #4 only need two valence electrons?
___________________________________________________________
6.
How many valence electrons do elements in Group 1, the Alkali Metals, have?
___________________________________________________________
7.
How many valence electrons do elements in Group 2, the Alkaline Earth Metals, have?
___________________________________________________________
8.
What is an ion?
___________________________________________________________
9.
If an element gives away an electron, will it form a positive ion or a negative ion?
10.
___________________________________________________________
If an element gains an electron, will it form a positive ion or a negative ion?
___________________________________________________________
11.
12.
What is the difference in a cation and an anion?
How do ionic bonds form?
13.
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How do covalent bonds form?
14.
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Bond the following atoms. Determine if they are ionic or covalent, circle your choice. Show the valence electrons and how they are either shared between the atoms or how they are transferred between atoms. Then write the chemical formula in the space provided.
Ionic or covalent
C Cl
Ionic or covalent
Mg Cl
Formula _____________ Formula ____________

15.
How would you determine if a compound is covalent?
_______________________
16.
How would you determine if a compound is ionic?
____________________________________
17.
What 2 things are found in the nucleus of the atom?
______________ and _______________
18.
19.
Where is a “Group” Found on the periodic table?
Where is a “Period” found on the periodic table?
20.
Group 1 on the Periodic table is called
___________________________
21.
Group 2 on the periodic table is called
_________________________
22.
Where are noble gases found on the periodic table and how do they satisfy the octet rule?
23.
Where is the general location of nonmetals on the periodic table?
24.
25.
What are some examples of metalloids?
Where are halogens found on the periodic table?
26.
27.
Where are transition metals found on the periodic table?
What do the charges on each element of a compound have to be for it to be considered neutral?
28.
Which type of bond (covalent or ionic) has a lower melting point?
29.
30.
Elements on the periodic table are arranged how?
What is the difference between an endothermic and exothermic reaction?
31.
32.
33.
34.
35.
What are polyatomic ions?
What is a base?
What is an acid?
Give an example of a base.
Give an example of an acid.
36.
37.
On a pH scale, what is considered an acid?
On a pH scale, what is considered a base?
38.
In the following formula, C up the molecule?
12
H
22
O
11
, how many atoms of carbon make
39.
40.
What do acids form in solution?
What do bases form in solution?

Name the following ionic compounds:
1) NaBr __________________________________
2) Sc(OH)
3
__________________________________
3) V
2
(SO
4
)
3
__________________________________
4) NH
4
F __________________________________
5) CaCO
3
__________________________________
6) NiPO
4
__________________________________
7) Li
2
SO
3
__________________________________
8) Zn
3
P
2
__________________________________
9) Sr(C
2
H
3
O
2
)
2
__________________________________
10) Cu
2
O __________________________________
11) Ag
3
PO
4
__________________________________
12) YClO
3
__________________________________
13) SnS
2
__________________________________
14) Ti(CN)
4
__________________________________
15) KMnO
4
__________________________________
16) Pb
3
N
2
__________________________________
17) CoCO
3
__________________________________

18) CdSO
3
__________________________________
19) Cu(NO
2
)
2
__________________________________
20) Fe(HCO
3
)
2
__________________________________
Write the formulas for the following ionic compounds:
21) lithium acetate __________________________________
22) iron (II) phosphate __________________________________
23) titanium (II) selenide __________________________________
24) calcium bromide __________________________________
25) gallium chloride __________________________________
26) sodium hydride __________________________________
27) beryllium hydroxide __________________________________
28) zinc carbonate __________________________________
29) manganese (VII) arsenide __________________________________
30) copper (II) chlorate __________________________________
31) cobalt (III) chromate __________________________________
32) ammonium oxide __________________________________
33) potassium hydroxide __________________________________
Covalent Compounds