PICLEC: GROUP IVA & IVB Flashcards
Known as “Tetrels”
GROUP IV - THE CARBON GROUP
This group contains the following elements:
C, Si, Ge, Sn, Pb
GROUP IVA
GROUP IVA
- This group are Allotropes and Amorphous
CARBON
GROUP IVA - CARBON
CRYSTALLINE:
- In its pure native form, and considered as the hardest substances and scored 10 on Mohr’s scale
- Its colorless, tinted or black crystal
DIAMOND
GROUP IVA - CARBON
CRYSTALLINE:
- Considered as soft, black shiny solid
- Its greek word “Graphein” = ‘to write’
- Utilized in lead pencils
GRAPHITE
GROUP IVA - CARBON
- Coal,charcoal, coke
AMORPHOUS
GROUP IVA - CARBON
- Known as ‘universal antidote’
- From destructive distillation of plant substances
- Adsorptive, used for the Treatment of stomach or intestinal disorders
ACTIVATED CHARCOAL
GROUP IVA - CARBON
- Originated from animal bone, purified by dissolving in HCl and water
- It is similar to activated charcoal but less adsorptive
PURIFIED ANIMAL CHARCOAL
GROUP IVA - CARBON
- Used with caution as Anthelminthic
- Main constituent of fire extinguishers
CARBON TETRACHLORIDE
GROUP IVA - CARBON
- Known as “carbonic acid gas”
CARBON DIOXIDE
GROUP IVA - CARBON
- Treatment of poisoning by CO, alcohol, methanol, morphine (Oxygen gas mixed with 5% CO2)
CARBON DIOXIDE
GROUP IVA - CARBON
- Remedy for skin disorder (e.g. acne, eczema, psoriasis, warts)
CARBON DIOXIDE SNOW (dry ice)
GROUP IVA - CARBON
- Solvent in rubber industry
CARBON DISULFIDE
GROUP IVA - SILICON
- Known as “Purified kieselguhr” and “Purified tripoli”; Diatomaceous Earth
PURIFIED SILICEOUS EARTH
GROUP IVA - SILICON
- A form of silica
- Used for absorbent and clarifying agent
- A polishing powder for metals
PURIFIED SILICEOUS EARTH
GROUP IVA - SILICON
- Known as “Silica”
SILICON DIOXIDE
GROUP IVA - SILICON
- Crystalline
- Amorphous
- Glass
SILICON DIOXIDE
GROUP IVA - SILICON
- Known as quartz
- Quartz with impurities = Gems
CRYSTALLINE
GROUP IVA - SILICON
- Agate, Jasper, Opal
AMORPHOUS
GROUP IVA - SILICON
- Mixture of various silicates
GLASS