Ionic Bonding

Question 1

Ionic compound:

Answer 1

composed of + and - ions that are combined so + and - charges are =

Question 2

Ionic Bonding has electronegativity diff greater than:

Answer 2

1.7

Question 3

(Ionic Bonding) The nonmetal has a….than the meal

Answer 3

higher electronegativity

Question 4

(Ionic Bonding) the valence e- of metal are _______to the nonmetal

Answer 4

transferred

Question 5

(Formation of ions) Lose e- =

Answer 5

cation

Question 6

(formation of ions) gain e- =

Answer 6

anion

Question 7

(Formation of Ionic Bond) Electrostatic attraction btwn ….

Answer 7

+ and - ions

Question 8

Why do atoms form compounds?

Answer 8

-to gain stability
-to reduce potential energy

Question 9

(ionic bonding) most ionic compounds exist as a…

Answer 9

crystalline solid

Question 10

crystalline solid:

Answer 10

3-dimensional network of + and - ions mutually attracted to one another (crystal lattice)

Question 11

A compound’s lattice energy indicates:

Answer 11

the strength of the ionic bonds

Question 12

Lattice energy:

Answer 12

amnt of energy given off by the formation of one mole of an ionic crystalline compound

Question 13

Formula unit:

Answer 13

chemical formula for an ionic compound (ratio of ions present in crystalline structure)

Question 14

Properties of ionic compounds:

Answer 14

• high melting/ boiling point
  bc: strong chemical bonds
  -hard but brittle and rigid
  -conductors of electricity in the melted/ in solution state

Question 15

Most ionic compounds are a________ at room temp

Answer 15

solid

Question 16

E- Dot Diagrams:

Answer 16

show only the valence e- of at atom

Question 17

Nonmetals gain e- =

Answer 17

forming - anions

Question 18

metals lose e- =

Answer 18

forming + cations

Question 19

polyatomic ion:

Answer 19

a group of covalently bonded atoms that bond in such a way that the group has a net charge

Question 20

charges on the polyatomic ion are like other ions - a = of

Answer 20

either a gain or loss of e-