C2- Bonding,structures and properties of matter

Question 1

Ionic bonding

Answer 1

between a metal and a non-metal that lose electrons to become positively charged -they are attracted by electrostatic forces.

Question 2

ionic compounds

Answer 2

form structures called giant lattices-strong electrostatic forces

Question 3

properties of ionic compounds

Answer 3

1. high melting point
   2.cannot conduct electricity in a solid as ions aren’t free to move

Question 4

covalent bonding

Answer 4

sharing a pair of electrons between atoms to gain a full outer shell(occurs in non metals)
- have low melting and boiling points because of weak inter-molecular forces
- do not conduct energy

Question 5

metallic bonding

Answer 5

positive metal ions are surrounded by a sea of delocalised electrons (metals only)

Question 6

ions

Answer 6

an element that loses or gains electrons (charged particle-can be positive or negative)

Question 7

How do metals become positively charged and what group in the periodic table is it in ?

Answer 7

Lose electrons-group one and two

Question 8

How do non metals become negatively charged and what group in the periodic table is it in ?

Answer 8

Gain electrons-Group six and seven

Question 9

What side of the periodic table are metals found?

Answer 9

left hand side

Question 10

What side of the periodic table are non -metals found?

Answer 10

right hand side

Question 11

Polymers

Answer 11

long chain molecules made up of monomers.
- Held up by strong covalent bonds
-There are inter molecular forces

Question 12

graphite

Answer 12

-made up of layers of carbon
-each carbon is bonded by three other carbons
- one free delocalised electron