Chapter 7: Allotropes of Carbon and Metallic Bonding

0.0(0)
studied byStudied by 3 people
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
Card Sorting

1/18

Study Analytics
Name
Mastery
Learn
Test
Matching
Spaced

No study sessions yet.

19 Terms

1
New cards
Fullerenes
________ are molecules of carbon, shaped like closed tubes or hollow balls.
2
New cards
Graphene
________ is a sheet of carbon atoms joined together in hexagons.
3
New cards
Substances
________ that are held together by metallic bonding include metallic elements and alloys.
4
New cards
shell
The electrons in the outer ________ of the metal atoms are delocalised.
5
New cards
strong forces of electrostatic
There are ________ attraction between the positive metal ions and the shared negative electrons.
6
New cards
Alloys
________ are harder and so more useful than pure metals.
7
New cards
fullerenes structure
The ________ forms around another atom or molecule, which is then trapped inside.
8
New cards
Diamond
________ has a giant covalent structure, made up of carbon atoms that each form four covalent bonds.
9
New cards
Fullerenes
________ have a surface area, so they could make great industrial catalysts, individual catalyst molecules could be attached to the ________.
10
New cards
Fullerenes
________ can be used to ‘ cage other molecules.
11
New cards
Graphite
Contains sheets of hexagons
12
New cards
Graphene
One layer of graphite
13
New cards
Most metals are solid
__________at room temperature
14
New cards
Metals are good
______conductors of electricity and heat
15
New cards
Most metals are
______malleable
16
New cards
Alloys are
____harder than pure metals
17
New cards
Buckminsterfullerene
First fullerenes to be discovered
18
New cards
Fullerenes function
is able to fit inside the hydrophobic cavity of HIV proteases, inhibiting the access of substrates to the catalytic site of enzymes
19
New cards
Diamond properties
very hard due to giant covalent structure