GROUP VI & VII Flashcards
OXYGEN GROUP
GROUP VI A
GROUP VI A
CHALCOGENS - ore forming
oxygen - YNE
8TH CENTURY CHINESE
oxygen - EMPYREAL AIR or FIRE AIR
C.W. SCHEELE
oxygen - DEPHLOGISTICATED AIR
J. PRIESTLY
who named oxygen
A. LAVOSIER
according to A. Lavosier, oxygen means
ACID FORMER
- diatomic molecule
- colorless, odorless, tasteless gas
- constitutes 20% by weight of air
- contributes about 8/9 by weight of water
- MOST ABUNDANT ELEMENT IN THEN HUMAN BODY by weight
- 3rd most abundant element in the UNIVERSE
OXYGEN
preparation of oxygen commercially
FREACTIONAL DISTILLATION OF LIQUID AIR
preparation of oxygen in the laboratory
by ELECTROLYSIS (decomposition of water)
- essential for animal life
- supports combustion
- treatment of CHLOROFORM, CYANIDE, AND CO poisoning
- treatment of HYPOXIA, DYSPNEA, CYANOSIS
OXYGEN
a disease with INADEQUATE OXYGEN
HYPOXIA
SHORTNESS OF BREATH
DYSPNEA
lack of oxygen
CYANOSIS
color of oxygen tanks INTERNATIONALLY
WHITE
color of oxygen tanks in USA
GREEN
color of OXYGEN tanks
GREEN (USA), WHITE (INTNL)
color of CARBON DIOXIDE tanks
GRAY
color of NITROUS OXIDE tanks
BLUE
color of HELIUM tanks
BROWN
color of NITROGEN tanks
BLACK
color of AIR tanks
YELLOW (USA), WHITE&BLACK (INTNL)
- BLUISH GAS with peculiar IRRITATING ODOR
- an allotrope of oxygen
- a powerful oxidizing agent
- disinfectant for drinking water
- bleaching agent
OZONE O3
ozone can be found between the
STRATOSPHERE AND TROPOSPHERE
- a PALE YELLOW, odorless and brittle solid
- production of sulfuric acid
- vulcanize natural rubbers
- insoluble and not easily wetted by water
SULFUR
SYNONYMS OF SULFUR
BRIMSTONE
BRUNING STONE
PHLOGISTON
principle of combustibility
PHLOGISTON
- Brimstone
- burning stone
- phlogiston
SULFUR
allotropes of sulfur
CRYSTALLINE
AMORPHOUS
LIQUID SULFUR
- Flower of sulfur or Sublimed sulfur
- Rhombic sulfur or alpha sulfur
- Monoclinic sulfur or beta sulfur
CRYSTALLINE form of sulfur
plastic sulfur
LIQUID SULFUR
- cathartic
- parasiticide in SCABIES
- stimulant in ALOPECIA (hair loss)
- Fumigation
- treatment of skin diseases
SULFUR
“Galis-aso” skin infestation by tiny burrowing mite
SCABIES
- LAC SULFUR or MILK OF SULFUR
- preferably for EXTERNAL APPLICATIONS
PRECIPITATED SULFUR
- FLOWERS OF SULFUR
SUBLIMED SULFUR
- preferably for INTERNAL APPLICATIONS
WASHED SULFUR
- VLEMINCKX’ SOLUTION
SULFURATED LIME SOLUTION
- SCABICIDE
ALKALINE SULFUR OINTMENT
“WILKINSON’S OINTMENT, “HERBA’S ITCH OINTMENT”
- scabicide
COMPOUND SULFUR OINTMENT
- hydrosulfuric acid
- a gas that smells like ROTTEN EGGS
- found in VOLCANIC VAPORS
HYDROGEN SULFIDE H2S
- used to manufacture sulfuric acid
SULFUR TRIOXIDE SO3
- OIL OF VITRIOL
- dehydrating agent
SULFURIC ACID H2SO4
- a major component of ACID RAIN
SULFUROUS ACID H2SO3
SELENIUM comes from the greek word
SELENE
selene means
MOON
selenium has some similarities with
TELLURIUM
TELLURIUM comes from the greek word
TELLUS
TELLUS means
EARTH
- similar to arsenic (intestinal irritation)
- toxic doses -> paralysis of blood vessels
SELENIUM
- ONLY SINGLE ACID that can DISSOLVE GOLD
- strong oxidizing agent
SELENIC ACID H2SeO4
- antifungal shampoo for dandruff
SELENIUM DISULFIDE SeS2
CHROMIUM GROUP
GROUP VIB