Big TEST

Question 1

Metallic bonding occurs between

Answer 1

Metal plus metal

Question 2

Describe what metallic bonding is

Answer 2

Where metals atoms share their outer electrons

Question 3

Draw a label diagram to show metallic bonding

Question 4

Describe the general properties of metals

Answer 4

Malleable, shiny, high density, strong, high, melting/boiling point, good conductor heat, plus electricity

Question 5

Defined the term alloy

Answer 5

A mixture of two or more elements with one of them being a metal

Question 6

Explain why metals can conduct electricity

Answer 6

They have delocalised electrons

Question 7

Explain why metals are malleable

Answer 7

The atoms are arranged in layers

Question 8

What are the sizes of the radius or an atom and the radius of the nucleus?

Answer 8

0.1 NM and 110,000 of the radius of an atom

Question 9

Ionic bonding occurs between

Answer 9

Metal and a non-metal

Question 10

What elements make positive ions?

Answer 10

Metals

Question 11

What elements make negative ions

Answer 11

Nonmetals

Question 12

Describe what happened to the electrons during ionic bonding

Answer 12

Metals electrons are given to the nonmetals in order for them both have a full outer shell

Question 13

Joe.and cross diagram to show an atom, turning into an ion for sodium and chlorine

Question 14

Draw a dots and cross diagram to sodium chloride

Question 15

Describe how ions are attracted to each other during ionic bonding and what type structure they form

Answer 15

Electrostatic charge and an ionic compound

Question 16

Explain why ionic compounds have high melting/boiling points

Answer 16

They have strong full outer shells and strong ionic bonds

Question 17

Explain why ionic compounds can conduct electricity when molten or dissolved, but not in a solid state

Answer 17

They have a delocalised electron, which can carry the energy for it

Question 18

Describe what empirical formulas is

Answer 18

The simplest form

Question 19

Describe the common properties of covalent compounds

Answer 19

High melting/boiling point

Question 20

Define the term small molecules and give at least two examples of small molecules

Answer 20

Molecules with a simple structure, water and methane

Question 21

Draw 1 dot cross diagram to show covalent bonding between methane CH4

Question 22

How does cross-linking affect the strength of polymer?

Answer 22

It makes it stronger as the two electrons for a covalent bond

Question 23

Describe the difference between intramolecular and intermolecular forces and state where these are found in Chains of polymers

Answer 23

Molecular bonds within a molecule in molecular are attractions between molecules

Question 24

Describe the general properties of giant covalent structures

Answer 24

High melting/boiling point and strong

Question 25

Describe and explain the structure of graphite

Answer 25

Made of hexagon with intermolecular forces between the layers

Question 26

State the uses of fluorine and explain how its uses relate to its structure

Answer 26

Administering drugs to a certain part of the body, because it has the ability to trap other molecules inside