Geometry

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• trigonal pyramid

• linear

• bent

• angular

Which molecule would have this shape?

• BF₃

• CH₄

• PCl₅

• CO₂

What is the VSEPR theory used to predict?

• Bond Strength

• Polarity

• Molecular Shape

• Electronegativity

According to VSEPR, molecules adjust their shapes to keep which of the following as far away as possible?

• Pairs of valence electrons

• Inner shell electrons

• Mobile Electrons

• Electrons closest to the nucleus

Which of the following are true

• Angle W = X + Y

• Angle W = Z + X

• Angle W = Z + Y

• Angle W = Y - Z

• Angle W = X - Y

When do we use the Cosine Rule?

• When we have 2 sides of a triangle and a subtended angle

• When we have 2 sides of a triangle and an opposite angle

• When we have a right angled triangle

• When we have 3 sides of a triangle

Which of the following combinations could NOT be the sides of a right angled triangle?

• 3,4 and 5

• 5, 12 and 13

• 7, 24 and 25

• 6, 7 and 10

When do you have an "Ambiguous Case" for a triangle's measurements?

• When you have two sides and an angle opposite one of these sides

• When you have two sides and an angle subtended by both of these sides

• When you have two angles and a side opposte one of these angles

• When you have two angles and only one side connecting these angles

Which of the following are reflex angles?

• 30 degrees

• 90 degrees

• 200 degrees

• 170 degrees

• 310 degrees

What type of angles are these?

• Alternate

• Co-interior

• Vertically opposite

• Corresponding