Bonding, structure and the properties of matter

?
  • Created by: ashi25
  • Created on: 19-10-19 09:18
Calcium forms a ___ + ion (give the number in letters).
Two
1 of 56
Chlorine forms a ___ - ion (give the number in letters).
One
2 of 56
In calcium chloride there must be ___ chloride ion(s).
Two
3 of 56
What types of elements are ionic bonds found between?
Metals and nonmetals
4 of 56
In an ionic bond electrons are ___________.
Transferred
5 of 56
What structure are ionic compounds bonded in?
Giant ionic lattices
6 of 56
Ionic compunds are held together by _____________ ______.
Electrostatic forces
7 of 56
Ionic compounds have ____ melting and boiling points.
High
8 of 56
Ionic compounds can conduct electricity if they are ______ or _________.
Molten dissolved
9 of 56
What types of elements are covalent bonds found between?
Nonmetals and nonmetals
10 of 56
In covalent bonds electrons are ______.
Shared
11 of 56
A small molecule contains ___ atoms.
Few
12 of 56
Small molecules are held together by ______________ ______.
Intermolecular forces
13 of 56
Intermolecular forces are ____.
Weak
14 of 56
What can covalent bonds in small molecules be shown by?
Dot and cross diagrams
15 of 56
What can the structures of small molecules be shown by?
Ball and stick models
16 of 56
Between two nitrogen atoms there must be a ______ covalent bond.
Triple
17 of 56
Between two oxygen atoms there must be a ______ covalent bond.
Double
18 of 56
In ammonia there is ___ nitrogen atom(s) and _____ hydrogen atom(s).
One three
19 of 56
In ammonia each hydrogen atom makes ___ covalent bond(s).
One
20 of 56
Small molecules have ___ melting and boiling points.
Low
21 of 56
Under __ conditions can small molecules conduct electricity.
No
22 of 56
Giant covalent structures have ____ melting and boiling points.
High
23 of 56
____ giant covalent ctructures cannot conduct electricity, but ____ can (some,most).
Most some
24 of 56
Silicon dioxide is an example of a _____ ________ _________.
Giant covalent structure
25 of 56
Silicon dioxide is also known as ______.
Silica
26 of 56
Silicon dioxide is the main compound found in ____.
Sand
27 of 56
Which covalently-bonded structure does silicon dioxide have a similar structure to?
Diamond
28 of 56
Diamond, graphite, graphene and fullerenes are all __________ __ ______.
Allotropes of carbon
29 of 56
In diamond how many carbon atoms is each atom covalently bonded to (give the number in letters)?
Four
30 of 56
In graphite and graphene each carbon atom is only bonded to three other atoms, meaning that there are ___________ _________ that can conduct electricity.
Delocalised electrons
31 of 56
The forces between layers of graphite are weak, so the layers can slide each other ______, which means graphite is useful as a _________.
Easily lubricant
32 of 56
Graphene is a ______ _____ of graphite.
Single layer
33 of 56
Graphene is _____ and ______ and can conduct electricity, so it is used in electronics and to strengthen materials.
Light strong
34 of 56
Fullerenes are shaped as _______ or _________.
Spheres cylinders
35 of 56
Cylindrical fullerenes are also known as _________.
Nanotubes
36 of 56
What was the first fullerene to be discovered?
Buckminsterfullerene
37 of 56
Fullerenes can be used in the _______ field of science to trap drugs and take them into the body.
Medical
38 of 56
Polymer molecules are long chains of repeating covalently-bonded sections called ________.
Monomers
39 of 56
Polymers have ____ melting and boiling points because they have ______ ______________ ______ between the molecules.
High strong intermolecular forces
40 of 56
Metals consist of giant structures of atoms arranged in _______ ________.
Regular patterns
41 of 56
Metal atoms are bonded with each other through ___________ _________.
Delocalised eletrons
42 of 56
Metals are good __________ of electricity and ____.
Heat
43 of 56
Metals are also _________ and _______.
Malleable ductile
44 of 56
Alloys are ________ where at least one element is a metal.
Mixtures
45 of 56
Alloys commonly use ______ atoms or other metal atoms.
Carbon
46 of 56
Alloys make metals harder by __________ the regular pattern so atoms find it harder to slide over each other
Distorting
47 of 56
What is a well-known alloy of iron?
Steel
48 of 56
Nanoparticles are between ___ to ___ _______ nanometres in size (give the numbers in letters).
One one hundred
49 of 56
What is the field of science dedicated to nanoparticles called?
Nanoscience
50 of 56
Nanoparticles have huge _______ ____ __ ______ ratios.
Surface area to volume
51 of 56
How do you work out the surface area to volume ratio?
Surface area over volume
52 of 56
Silver nanoparticles have _____________ properties.
Antibacterial
53 of 56
Nanoparticles are also used as _________ and in ___________ and _________.
Catalysts electronics cosmetics
54 of 56
Nanoparticles are widely used in _________ as they are better at protecting from UV light.
Suncreams
55 of 56
Nanoparticles should be used with _______ as scientists have not yet been ble to determine their _____.
Caution risks
56 of 56

Other cards in this set

Card 2

Front

Chlorine forms a ___ - ion (give the number in letters).

Back

One

Card 3

Front

In calcium chloride there must be ___ chloride ion(s).

Back

Preview of the front of card 3

Card 4

Front

What types of elements are ionic bonds found between?

Back

Preview of the front of card 4

Card 5

Front

In an ionic bond electrons are ___________.

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Chemistry resources:

c3
C2
See all Chemistry resources »See all Polymers resources »