Ionic Bonding and ions

Question 1

Ionic bond

Answer 1

metal + non-metal

Question 2

What does an ionic bond result in

Answer 2

An ionic compound: a balanced compound

Question 3

Metals and non metals charge in an ion

Answer 3

metals + charge
non metals - charge

Question 3

What is an ion

Answer 3

An atom with a charge

Question 4

Cation

Answer 4

Positive ion (atoms that LOSE electrons) eg. group 1 and 2

Question 5

Anion

Answer 5

Negative ion (atoms that GAIN electrons) group 6 and 7

Question 6

How is the charge of an atom determined

Answer 6

1. The atomic number shows how many total electrons
2. The group number shows how many valence electrons
3. Charge + or - is determined by whether the atom gains or loses electrons: if it gains it has negative and vice versa

Question 7

Criss cross method

Answer 7

To write down an ionic compound and know how many atoms must be used, swap the charge of one ion to be the subscript of the other ion

Question 8

Polyatomic ion

Answer 8

An ion with more than one atom. These atoms can not be seperated. Everything that happens happens to the WHOLE ion

Question 9

The 5 polyatomic ions

Answer 9

Hydroxide (OH^-)
Nitrate (NO<3^-)
Sulfate (SO<4^2-)
Carbonate (CO<3^2-)
Ammonium (NH<4^+)

Question 10

The groups during ionic bonding

Answer 10

Group 1:loses 1 elec
Group 2: loses 2 elec
Group 3: loses 3 elec
Group 4: only covalent bonding
Group 5: gains 3 elec
Group 6: gains 2 elec
Group 7: gains 1 elec
Group 8: full outer shell

Question 11

Ionic properties

Answer 11

Usually solid
Usually soluble
HIGH melting boiling points
Conduct electricity