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Chemistry Unit 5 Notes 2
Test Description: Bendgrhdb
Instructions: Answer all questions to get your test result.
1) Bonding is:
A
not usually purely ionic or covalent
B
Purely ionic
C
Purely covalent
2) Bonding electrons will be more strongly attracted to atoms of:
A
Higher electro-positivity
B
Higher electro-negativity
3) Polar covalent bonds:
A
Bond which the bonded atoms have an unequal attraction for the shared electrons.Positive and negative poles form on molecule
B
Bond which bonding electrons are shared equally by bonded atoms resulting in balanced distribution of electric charge.Nopoles
4) Nonpolar covalent bonds:
A
Bond which bonding electrons are shared equally by bonded atoms resulting in balanced distribution of electric charge.Nopoles
B
Bond which the bonded atoms have an unequal attraction for the shared electrons.Positive and negative poles form on molecule
5) The three types of bonding are covalent,ionic and metallic
A
True
B
False
6) Covalent:
A
Electrons are transferred
B
Electrons are shared
7) Ionic
A
Electrons are transferred
B
Electrons are shared
8) Most atoms have lower potential energy when:
A
Polar covalent bonds
B
they are bonded to other atoms than they have as they are independent particles.
9) The lowest potential energy:
A
usually creates the most stability
B
Polar Covalent Bonds
10) The electro-negativity of sulfur is:
A
4.9
B
2.5
*select an answer for all questions
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