Chemical Bonding

Ionic Bonding

Covalent Bonding

Lewis Dot Structures

Molecular Geometry

Naming

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

Name the compound

MgCl₂

Magnesium Chloride

200

What is the actual name of a charged atom?

Ions

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?

200

What is the electron geometry and molecular geometry of CH₄?

Tetrahedral for both

200

Name the molecule.

NH₄

Nitrogen Tetrahydride

300

What is the difference between a cation and an anion?

Cations are positively charged and anions are negatively charged

300

Covalent bonds make ___________.

Molecules

300

Draw the Lewis Dot Structure for NH3

H-N-H

300

What is the Molecular Geometry for NH₃?

Trigonal Pyramidal

(VSEPR is Tetrahedral)

300

What is the formula for Sulfur Hexafloride

SF₆

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

What is the formula for Iron (lll) Oxide

Fe₂O₃

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

What is the name of Pb(SO₄)₂

Lead (lV) Sulfate