C2.1 Structure And Bonding

Question 0

Ionic bonding

Answer 0

• a metal and a non metal
• losing/ gaining electrons
• gaining is negative ion
• losing is positive ion
• held together by strong forces of attraction between oppositely charged ions

Question 1

What is a compound?

Answer 1

Contains two or more elements which are chemically combined

Question 2

Electromagnetic arrangements

Answer 2

2,8….
Outer shell contains same group number of electrons
Want to b
Make a full shell- stable electron arrangement
Draw ions in shells with a box around

Question 3

Covalent bonding

Answer 3

• atoms share electrons
• simple or giant
• shown by interlinking circles
• between two non-metals

Question 4

Metallic bonding

Answer 4

• regular, close pattern of ions
• form crystals
• giant lattice structure of positively charged ions
• outer electrons move
• sea of delocalised electrons
• strong electrostatic attraction between positive and negative ions

Question 5

Giant covalent bonding

Answer 5

E.g diamonds

-carbon atoms form 4 covalent bonds with each neighbour

Question 6

Properties of metallic bonding

Answer 6

• are malleable and ductile because the layers of ions can pass over each other
• good conductors of heat and electricity because the electrostatic attraction is strong