Polarity
Bonds
Lewis Dot Structure
shapes
100
Does H2O have polar bonds?

Yes

100

Weakest kind of bond?

single

100
How many valence electrons does NH3 have

8

100

2 lone pairs, 2 bonding how many regions of electron density

4

200

What is nonpolar bonding?

Equal attraction/sharing

200

Strongest bond?

Triple 

200

SF4

34 electrons

200

describe the tetrahedral shape

the bond angles formed by the central atom to the substituents is 109.5°

300

What does a polar bond mean?

Unequal sharing of electrons

300

shortest bond?

triple

300

Draw XeCl2

22 v.e.

300

4 regions, 1 lone pair what is the molecular geo

trigonal pyramid

400

SiP or SiCl more polar?

SiCl

400

How many bonds does O prefer

2

400

How many lone pairs does N have in NF3

1 lone pair

400

What is the shape of a molecule that has 5 electron density regions with 2 lone pairs

t shape

500

Is the difference between __________ low or high to be polar?

Electronegativity

high

500
what is bond length

the distance from one nuclei to the other

500

what are resonance structures

a set of two or more Lewis Structures that collectively describe the electronic bonding of a single polyatomic species

500

what is the bond angles of trigonal planar

120