4A: Carbon Group | 4B: Titanium Group Flashcards
1
Q
CARBON GROUP
Non-metallic to metalloid
A
C, Si, Ge, Sn, Pb (C Si GE San Paba)
2
Q
Unique properties of C
A
- Catenation
- Hybridization and allotropy
3
Q
only element that can form multiple bonds in itself; chain/ring-formation
A
catenation
4
Q
2 allotropes of carbon
A
- crystalline
- amorphous (coals)
5
Q
2 types of crystalline structures
(carbon)
A
- diamond
- graphite
6
Q
purest native form of uncombined carbon. Hardest mineral known
A
Diamond
7
Q
tetrahedral
A
Diamond
8
Q
TALC/ Mg silicate MgSiO3.xH2O
A
Graphite
9
Q
Planar; softest
A
graphite
10
Q
types of amorphous coals
(carbon)
A
- Bituminous
- Anthracite
- Coke
11
Q
soft coal
A
Bituminous
12
Q
hard coal
A
anthracite
13
Q
second most abundant element on earth
A
silicon
14
Q
impure carbon; coal heated strongly in the absence of air
A
Coke
15
Q
Toxicity of silicon
A
Silicosis (SiO2)
