8953462
Descripción
Test por Luke Green, actualizado hace más de 1 año
|
Creado por Luke Green
hace casi 8 años
|
|
Pregunta 1
Pregunta
One molecule of Hydrogen Gas possesses which molecule shape?
Respuesta
-
Tetrahedral
-
Linear
-
Trigonal Planar
Pregunta 2
Pregunta
Predict the bond angle in a BF3 molecule.
Respuesta
-
120 degrees.
-
180 degrees.
-
109.5 degrees.
Pregunta 3
Pregunta
Which of these images is an example of a octahedral molecule?
Respuesta
-
Image:Co2 (image/png)
-
Image:Pcl5 (image/png)
-
Image:Sf6 (image/png)
Pregunta 4
Pregunta
A trigonal bipyramid contains which two angles between it's bonds?
Respuesta
-
120 and 90 degrees
-
109.5 and 90 degrees
-
180 and 90 degrees
-
120 and 180 degrees
Pregunta 5
Pregunta
Describe the shape and bond angle of a methane molecule.
Respuesta
-
Tetrahedral with 109.5 degrees bond angles
-
Trigonal bipyramid with 120 degrees bond angles
-
Linear with 180 degrees bond angles
Pregunta 6
Pregunta
Why does a water molecule have a bond angle of 104.5 degrees?
Respuesta
-
The molecule is a tetrahedral.
-
The two lone pairs of electrons on the atom of oxygen repel the bonded electron pairs more.
-
The bonded pair of electrons repel the two lone pairs more.
Pregunta 7
Pregunta
How many lone pairs does an ammonia molecule possess?
Respuesta
-
2
-
1
-
3
-
5
-
4
Pregunta 8
Pregunta
Select the correct statement.
Respuesta
-
Lone Pair/Lone Pair > Bonded Pair/Lone Pair > Bonded Pair/Bonded Pair
-
Bonded Pair/Bonded Pair > Bonded Pair/Lone Pair > Lone Pair/Lone Pair
-
Bonded Pair/Lone Pair < Bonded Pair/Bonded Pair > Lone Pair/Lone Pair
Pregunta 9
Pregunta
How many bonded electron pairs must there be around the central atom of a compound for the molecule's shape to be a Octahedral?
Respuesta
-
5
-
4
-
6
-
8
Pregunta 10
Pregunta
Name the theory that explains the reason for the shape of molecules.
Respuesta
-
The electron repulsion theory
-
Bond theory
-
The theory of shapes
¿Quieres crear tus propios Tests gratis con GoConqr? Más información.