8953462
Descrição
Quiz por Luke Green, atualizado more than 1 year ago
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Criado por Luke Green
mais de 7 anos atrás
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Questão 1
Questão
One molecule of Hydrogen Gas possesses which molecule shape?
Responda
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Tetrahedral
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Linear
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Trigonal Planar
Questão 2
Questão
Predict the bond angle in a BF3 molecule.
Responda
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120 degrees.
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180 degrees.
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109.5 degrees.
Questão 3
Questão
Which of these images is an example of a octahedral molecule?
Responda
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Image:Co2 (image/png)
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Image:Pcl5 (image/png)
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Image:Sf6 (image/png)
Questão 4
Questão
A trigonal bipyramid contains which two angles between it's bonds?
Responda
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120 and 90 degrees
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109.5 and 90 degrees
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180 and 90 degrees
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120 and 180 degrees
Questão 5
Questão
Describe the shape and bond angle of a methane molecule.
Responda
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Tetrahedral with 109.5 degrees bond angles
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Trigonal bipyramid with 120 degrees bond angles
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Linear with 180 degrees bond angles
Questão 6
Questão
Why does a water molecule have a bond angle of 104.5 degrees?
Responda
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The molecule is a tetrahedral.
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The two lone pairs of electrons on the atom of oxygen repel the bonded electron pairs more.
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The bonded pair of electrons repel the two lone pairs more.
Questão 7
Questão
How many lone pairs does an ammonia molecule possess?
Responda
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2
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1
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3
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5
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4
Questão 8
Questão
Select the correct statement.
Responda
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Lone Pair/Lone Pair > Bonded Pair/Lone Pair > Bonded Pair/Bonded Pair
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Bonded Pair/Bonded Pair > Bonded Pair/Lone Pair > Lone Pair/Lone Pair
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Bonded Pair/Lone Pair < Bonded Pair/Bonded Pair > Lone Pair/Lone Pair
Questão 9
Questão
How many bonded electron pairs must there be around the central atom of a compound for the molecule's shape to be a Octahedral?
Responda
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5
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4
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6
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8
Questão 10
Questão
Name the theory that explains the reason for the shape of molecules.
Responda
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The electron repulsion theory
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Bond theory
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The theory of shapes
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