GROUP IV - (Carbon Group) - German Leader has Tin Silicon Car Flashcards
Predominantly exhibit covalent bonding, owing to the small size & high charge on the tetravalent ions.
Carbon group
TRUE OR FALSE?
Oxides of Carbon(C) & Silicon(Si) are acidic, those of other elements of the group are Amphoteric
TRUE
Members of Carbon group:
Carbon (C)
Silicon (Si)
Tin (Sn)
Lead(Pb)
Germanium (Ge)
an form multiple bonds w/ itself (Catenation)
Carbon (C)
ability to bond w/ another
carbon forming chains
Catenation
an impure form of carbon when coal is
heated strongly in the absence of air
Coke
TRUE OR FALSE?
(a) Crystalline – graphite, diamond
(b) Amorphous – coal, anthracite
TRUE
TRUE OR FALSE?
Soft Coal (Bituminous) - 70% of carbon
TRUE
TRUE OR FALSE?
Hard Coal (Anthracite) -90% carbon &
6% volatile matter
TRUE
TRUE OR FALSE?
Bituminous is hard coal.
FALSE.
Soft Coal (Bituminous) - 70% of carbon
adsorbent, Component of universal antidote
Activated charcoal
Residue from a destructive distillation of various organic materials treated to increase it adsorptive power
Activated charcoal
- use in liquid media
- official use in USP is
treatment of Diarrhea
finely powdered of activated charcoal
“Carbonic acid”
Carbon Dioxide (CO2)
“Dry Ice”
Carbon Dioxide (CO2)
most potent respiratory stimulant
(Best Respiratory Stimulant)
Carbon Dioxide (CO2)
treatment of persistent Hiccups
Carbon Dioxide (CO2)
What are the absorbers of carbon dioxide?
Absorbers: Soda Lime &
Barium Hydroxides
A toxic gas of carbon
Carbon Monoxide (CO)
210x greater affinity to hemoglobin
than oxygen leading to
asphyxia/hypoxia then death
Carbon monoxide (CO)
toxicity due to interaction w/
Hemoglobin (cherry red blood)
carbon monoxide
What is the major source of carbon monoxide?
Automotive exhaust(Car)
Treatment for CO
Treatment: (a) 100% O2
(b) Artificial Air
(He 70%+O2 20%)
(c) Hyperbaric O2
“Baking soda”
Sodium Bicarbonate (NaHCO3)
source of K ion in electrolyte replenisher
Potassium Bicarbonate (KHCO3)
effective reflex stimulant & expectorant
Ammonium Carbonate [(NH4)2CO3]
“Soda crystals”
Sodium Carbonate Dehydrate
“Soda Ash”
Anhydrous Sodium Carbonate
purest native form of uncombined carbon
Diamond
“Flint”
Silicon Dioxide (SiO2)
“Sand”
Silicon Dioxide (SiO2)
2nd most abundant element
Silicon (Si)
Antidote of Silicosis
Aluminum Oxide (Al2O3)
-forms coat on silica
particles
Condition resembling chronic
tuberculosis, develops after long exposure
(7years or more) to respirable air)
Silicosis
prepared by condensation of silica
from its vapor phase
Silica Fume
Silicon Dioxide NF
Silica Gel
Colloidal Silicon Dioxide NF
Silica Fume
“Diatomaceous Earth”
Purified Siliceous Earth NF
aka “Polymeric Dimethyl Siloxane”,
Simethicone
aka Polymagma®, Diatabs®, Quintess
Attapulgite [Mg5(Si8O20)(OH)28H2O
Attapulgite [Mg5 (Si8O20)(OH)28H2O] is used as?
anti-diarrheal. adsorbent
“Feldspar”
Potassium Aluminum Silicate(KAlSi3O8)
Generic term used to identify vitrous silicate material prepared by fusing a base, such as Na2CO3 &CaCO3, w/ pure silica
Glass
Mask the blue green color of iron, usually
present in silica
Manganese Dioxide (MnO2)
decrease the coefficient of expansion of the glass
Boron (as borate)
render Heat Resistant properties
Boron
to render light resistance property &
makes the glass amber (brown color)
Potassium
to increase the refractive index of a glass
Lead
covalent SI-Si bonds
Silanes (SiH4)
“Stannum”
Tin (Sn)
50% Tin + 50% Lead
Solder metal
80% Tin + 20% Lead
Pewter metal
10% Tin + 90% Copper
Gun metal
25% Tin + 25% Lead + 50% Bismuth
Rose metal
Germicide against Staphylococcal inf.
Stannic Oxide (SnO2)
“Plumbum”
Lead
most metallic element of Group IVA
Lead
Pb2+
(Plumbous)
Pb4+
(Plumbic)
It can cause “Wrist drop/ foot drop”
Lead toxicity
Antidote for “plumbism”?
Antidote: EDTA; Ca Versenate
Sources of lead are:
Paints
Crayons
Batteries
Automobile exhausts (Car)
“Sugar Lead”
Lead Acetate [Pb(CH3COO)2]
“Burrow’s solution”
Lead Acetate [Pb(CH3COO)2]
“Goulard’s extract”
Lead Subacetate [Pb(CH3COO)
Lead Subacetate + Ointment base
Goulard’s cerate
Letharge® (Lead monoxide)
Lead Oxide (PbO)
aka “eka-silicon” by Mendeleev
Germanium (Ge)
is purported to have immune system-enhancing & antitumor effects
Germanium (Ge)
has been used to increase the formation
of RBC & for treatment of anemia
Germanium dioxide