Bonding Structure + Properties

Question 1

What are the components within an atomic structure?

Answer 1

Negative, positive and neutral neutrons, nucleus and shell.

Question 2

What are the sub-atomic particles?

Answer 2

Protons, neutrons and electrons.

Question 3

What is the relative charge of a proton?

Answer 3

+1

Question 4

What is the relative charge of a neutron?

Answer 4

0

Question 5

What is the relative charge of an electron?

Answer 5

-1

Question 6

What is the relative mass of a proton?

Answer 6

1

Question 7

What is the relative mass of a neutron?

Answer 7

1

Question 8

What is the relative mass of an electron?

Answer 8

Very small

Question 9

How do you work out how many neutrons are in an element?

Answer 9

mass number - atomic number

Question 10

The number of electrons are equal to

Answer 10

The number of protons

Question 11

Why is the charge on an atom overall neutral/no electrical charge?

Answer 11

Because the protons and electrons cancel each other out.

Question 12

What do all acids release when dissolved in water?

Answer 12

H+ ions

Question 13

What do all alkalis release when dissolved in water?

Answer 13

Hydroxide ions

Question 14

How much do strong acids and alkalis dissociate?

Answer 14

Completely, all the particles split into their ions

Question 15

How much do weak acids and alkalis dissociate?

Answer 15

Partially, they only release a few of their ions

Question 16

How much particles do concentrated acids and alkalis have per unit volume?

Answer 16

Lots

Question 17

How much particles do dilute acids and alkalis have per unit volume?

Answer 17

Fewer

Question 18

What do both strength and concentration effect?

Answer 18

The pH of an acid or alkali

Question 19

What are the components of a giant metallic lattice?

Answer 19

Free electrons from the outer shells of metal atoms and metal ions

Question 20

What do metal atoms lose?

Answer 20

outer electrons

Question 21

What do metal atoms become?

Answer 21

positive ions

Question 22

What are free electrons also called?

Answer 22

delocalised electrons

Question 23

What do delocalised electrons do?

Answer 23

They move around throughout the metallic structure freely

Question 24

There is a strong force of attraction between what?

Answer 24

Positive ions and negative electrons

Question 25

What is the strong force of attraction between positive ions and negative electrons called?

Answer 25

Electrostatic force of attraction

Question 26

Where is the electrostatic force of attraction strong in?

Answer 26

metals

Question 27

Name metallic properties

Answer 27

High melting and boiling points, solid at room temperature (except Hg), malleable, ductile, conduct electricity and heat, hard and strong, sonorous, lustrous and magnetic (Fe, Ni and Co only)

Question 28

What are the 3 uses of metals?

Answer 28

Conducts electricity and heat, construction and medical care (braces etc)

Question 29

What is an alloy?

Answer 29

A mixture of metals

Question 30

Why is aluminium a good metal to use for drink cans?

Answer 30

It is non-toxic, light for transport, does not corrode which means it is long lasting and cheap.

Question 31

Why is aluminium a good metal to use as a reflector in car headlights?

Answer 31

It is shiny, preventing road accidents

Question 32

What do two atoms joint together make?

Answer 32

molecule

Question 33

What are atoms labelled with?

Answer 33

dot/cross

Question 34

What happens when atoms share pairs of electrons?

Answer 34

They form covalent bonds

Question 35

Are covalent bonds weak or strong?

Answer 35

strong

Question 36

What do non-metal atoms have to gain to form negative metal ions?

Answer 36

electrons