Sub Topic 3.a. - Bonding

Question 1

What is metallic bonding?

Answer 1

Metallic Bonding is the electrostatic force of attraction between positively charged ions and delocalised outer electrons

Question 2

Atoms held together in a covalent bond are held together by

Answer 2

electrostatic forces of attraction between positively charged nuclei and negatively charged electrons

Question 3

The polarity of a covalent bond depends on the

Answer 3

difference in electronegativity between the bonded atoms

Question 4

Ionic bonding is the

Answer 4

electrostatic force of attraction between positively and negatively charged ions

Question 5

The type of bonding in a compound is related to

Answer 5

the positions of its constituent elements in the periodic table.

Question 6

Intramolecular bonds are strong bonds

Answer 6

WITHIN molecules

Question 7

Intermolecular force are

Answer 7

weak forces of attraction BETWEEN molecules

Question 8

Metallic bond structure?

Answer 8

Lattice of positive metal ions and a sea of delocalised electrons

Question 9

Metallic bonding occurs between elements that are

Answer 9

metals

Question 10

Covalent bonding occurs between

Answer 10

non-metal atoms

Question 11

A common covalent bond is H2 or O2, these are called

Answer 11

diatomic elements

Question 12

Pure covalent bond means that the atoms have the

Answer 12

same electronegativity

Question 13

A polar covalent bond means that the atoms have a different

Answer 13

electronegativity

Question 14

In a polar covalent bond the electrons are

Answer 14

note equally shared

Question 15

In a polar covalent bond the atom with the higher electronegativity has a

Answer 15

stronger pull on the shared electrons

Question 16

Ionic bonding is a lattice of

Answer 16

positive metal ions and negative non-metal ions held together by strong ionic bonds

Question 17

Van der Waal’s forces are weak forces of attraction between

Answer 17

temporary, induced dipoles in atoms or molecules

Question 18

Van del Waals’ forces are much

Answer 18

weaker than all other types of bonding

Question 19

Van der Waals’ forces are a result of

Answer 19

electrostatic attraction between temporary dipoles and induced dipoles

Question 20

The strength of van der Waals’ forces is related to

Answer 20

the size of the atoms or molecules

Question 21

A dipole is a molecule with a

Answer 21

slightly positive end and a slightly negative end.

Question 22

A temporary dipole forms when there is momentarily more negative chanrge at

Answer 22

one side of the molecule or atom

Question 23

Induced dipole is when a temporary dipole in one molecule can cause a

Answer 23

dipole in a neighboring molecule.

Question 24

The strength of Van der Waals forces increases with increasing

Answer 24

molecular mass