Ionic Bonding
Covalent Bonding
Lewis Dot Structures
Molecular Geometry
Chemical Bonding
100

What is needed to make an IONIC bond?

Metal AND Non-Metal

100

What is needed to make a COVALENT bond?

Non-Metals

100

What do the SINGLE dots in the Lewis dot structure represent? 

Valence electrons

100

What is the Molecular Geometry for CO2

Linear

100

what type of BOND is soluble (dissolves) in water?

Ionic

200

What does Mr. Dickson say about Metals?

(metals in an ionic bond)

Metals are "losers"

200

What happens to valence electrons when a covalent bond is formed.

Electrons are SHARED between two non-metal atoms.

200

What is the Central Atom in HCN?

C

200
What is the electron geometry and molecular geometry of CH4?
Tetrahedral for both
200

Give one example of a DIATOMIC molecule

H2, N2, O2, Cl2,F2, I2, Br2

300

What is the difference between a cation and an anion?

Cations are positively charged and anions are negatively charged

300

Covalent bonds are:

(weak or strong)

Weak

300

Draw the Lewis Dot Structure for NH3

  ..

H-N-H

    |

    H

  

300

What is the Molecular Geometry for NH3?

Trigonal Pyramidal

(VSEPR is Tetrahedral)

300

How many single dots does it take to make a double bond?

4

400

What happens to the valence electrons when an ionic bond is formed?

They are transferred (lost or gained) from a metal to a non-metal.

400
How many electrons are shared in a single bond?
2 electrons
400

Draw the Lewis Dot Structure for CO2

 :        :

:O=C=O:

400
What is the electron geometry and molecular geometry of H2O?
Electron geometry = Tetrahedral molecular geometry = Bent
400

Describe what electrons are like (what they do) in a Metallic Bond (sea model)

Electrons move freely

500

What shapes do IONIC bonds make (such as NaCl)

Crystal or Lattice

500
What is the octet rule?
When forming compounds, every atom (except for Hydrogen) should end up with 8 electrons in its valence shell.
500

Draw Lewis Dot for C2H2

How many BONDS(electron pairs) between the two Carbons (C & C)?

H-C=-C-H

 3 Bonds or PAIRS

500

What is the Molecular Geometry for H2CO

Bent

500

Which bond is strongest?

(Ionic, Metallic, Covalent)

Ionic