simple molecules, bonding and structure topic.

Question 1

Covalent bonds
(between 2 non metals)

Answer 1

Strong electrostatic attraction between a shared pair of electrons and the nuclei of the bonded atoms

Question 1

Ionic Bonding
(between metals and non-metal)

Answer 1

The strong electrostatic attraction between ions of opposite charges.

Question 2

Electronegativity

Answer 2

The ability of an atom to attract the bonding pair of electrons in a covalent bond to itself

Question 3

Metallic bonding

Answer 3

result from the electrostatic attraction between metal cations and delocalized electrons

Question 4

Dative covalent bonds

Answer 4

One atom donates both of the electrons to a shared pair in a covalent bond
(Represented with a –>)

Question 5

BOND TYPES/ ELECTRONEGATIVITY DIFFERENCE

Answer 5

Covalent (non polar) = 0
Polar Covalent = 0 to 1.8
Ionic = greater than 1.8

Question 6

How much does the lone pair bends?

Answer 6

reduces the bond by 2.5

Question 7

Intermolecular forces

Answer 7

Stronger 1. Hydrogen bonds,
2. Permanent Dipole-Dipole Interactions
Weaker 3. Van der Waals (Induced dipole)

Question 8

Positive ions
Negative ions

Answer 8

Cations (smaller than the original atom)
Anions ( bigger than the original atom)