bonding and properties

Question 1

ionic bond

Answer 1

electrostatic attraction between positive and negative ions

Question 3

metallic bond

Answer 3

attraction between positive ions and sea of delocalised electrons

Question 4

molecule

Answer 4

group of non metal atoms joined together by covenant bonds

Question 5

covenant molecular -
covenant network -
ionic lattice -
metallic lattice -

Answer 5

low mp and bp, no conduction, SGL
high mp and bp, no conduction, S
high mp and bp, conduction, S
variable mp and bp, conduction, S

Question 6

why can ionic solutions conduct electricity when in solution but not in solid

Answer 6

ions are free to move around