Polarity of Bonds and Molecules

According to the VESPR theory four electron pairs give a

• linear shape
• bent shape
• trigonal planar shape
• tetrahedral shape

Who could this molecule be?

• CH₄
• CO₂
• PCl₅
• BF₃

Tags

NGSS.HS-PS1-1

What is the shape an bond angle of this molecule?

• Trigonal Planar, 120

• Bent, 120

• Linear, 180

• Tetrahedral, 109.5

Which molecule would have this shape?

• BF₃
• CH₄
• PCl₅
• CO₂

A molecular geometry with 2 lone pairs and 2 bonding pairs is

• Tetrahedral

• Trigonal pyramidal

• Bent

• Linear

A molecular geometry with 3 bonding pairs is

• Trigonal pyramidal

• Trigonal planar

• Trigonal bipyramidal

• T-shaped

Electronegativity is a measurement of the ability of a nucleus to:

• attract bonding electrons

• attract other nuclei

• attract electrons in the non-valence energy levels

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The most electronegative atom in the periodic table is:

• Fluorine
• Helium
• Neon
• Francium

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

When you are asked to find bond polarity, you should compare electronegativity values of each bonding atom to the central atom.

• true

• false

Tags

NGSS.HS-PS1-1

In a polar covalent bond, electrons are shared:

• equally

• unequally

• between two metals

• between a metal and a non-metal