C3

Question 1

Alloy

Answer 1

A mixture of two or more elements at least one of ehich is a metal

Question 2

Covalent bond

Answer 2

The bond betwen two atoms that share one or more pairs of electrons

Question 3

Delocalised electron

Answer 3

Bonding electron that is no longer associated with any one particular atom.

Question 4

Dot and cross diagram

Answer 4

A diagram to show only the arrangement of outer shell electrons of the atom or ions in a subcstances

Question 5

Fullerene

Answer 5

Form of the element carbon that can exist as large cage like structures based on hexagonal rings of carbon atoms

Question 6

Giant covalent structure

Answer 6

A huge 3d network of covalently bonded atoms

Question 7

Giant lattice

Answer 7

A huge 3d network of atoms or ions

Question 8

Intermolecular forces

Answer 8

The attraction between the individual molecules in a covalently boned substance

Question 9

Ionic bond

Answer 9

The electrostatic force of attraction between positiveely and negatively charged ions

Question 10

Polymer

Answer 10

A substance made from very large molecules made up of many repeating units.

Question 11

How are ionic compounds held together

Answer 11

They are held together by strong forces of attraction betweem their oppisitely charged ioms