2.2.4 Ionic bonding

Question 1

is the metal ion positive or negative?

Answer 1

positive

Question 2

is the non-metal ion positive or negative?

Answer 2

negative

Question 3

what do dot and cross diagrams show?

Answer 3

the origin of electrons in chemical bonding

Question 4

ionic equation of Na

Answer 4

2Na—> 2Na+ + 2e-

Question 5

ionic equation of O

Answer 5

O + 2e- —> O^2-

Question 6

what is a giant ionic lattice?

Answer 6

each ion is surrounded by oppositely charged ions and these ions attract each other from all directions (tf forming a 3D giant ionic lattice)

Question 7

what is the structure of an ionic compound when solid?

Answer 7

a giant ionic lattice

Question 8

what is the structure of an ionic compound when melted/molten?

Answer 8

all ions are free to move

Question 9

how does an ionic compound conduct electricity whilst melted?

Answer 9

all ions are free to move around

Question 10

what is an ionic bond?

Answer 10

the electrostatic forces of attraction that holds ions together in an ionic compound

Question 11

structure of ions in ionic bond, whilst solid

Answer 11

all ions are in a fixed position