5B: Vanadium group | 6A: Oxygen group Flashcards

(38 cards)

1
Q

Vanadium group

A

V, Nb, Ta

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2
Q

Insulin-mimetic effect (not used - metal’s toxicity)

A

vanadium

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3
Q
  • Unaffected by body fluids (inert)
  • Sheet form surgical repair of bones, nerve, tissue
A

tantalum

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4
Q

tantalum is also for the tx of:

A

hernia

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5
Q

Oxygen group/chalcogens

A

O, S, Se, Te, Po (OS Se Te Po)

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6
Q

most abundant element on earth/supports life; green cylinder

A

Oxygen (02-)

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7
Q

oxygen other terms

A
  • dephlogisticated air
  • empyreal air,
  • acid former,
  • yne
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8
Q

Oxides combines directly w/ elements except with the noble metals: ______________

A

Hg, Ag, Au & Pt family members

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8
Q

Properties of oxides

A
  • metallic
  • nonmetallic
  • amphoteric
  • chm reactive
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8
Q

3 allotropes of oxygen

A
  • Nascent (0)
  • Atmospheric/ molecular (02)
  • Ozone (03) * powerful OA- bleach, disinfectant (more oxygen)
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8
Q

oxygen is used for the treatment of

A

hypoxia/asphyxia

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9
Q

100% 02, 2-3 atmosphere for treatment of hypoxia; speed up healing of CO poisoning, gangrene, stubborn wounds, and infections in which tissues are starved for oxygen

A

Hyperbaric O2

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10
Q

source of sulfur

A

Crude furnace or Calcacarone (Syn. by Frasch process)

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11
Q

Brimstone, Shulbari (Enemy of Cu), Asupre (tagalog)

A

sulfur

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12
Q

sulfur occurs in free state & in combination (____________,__________,__________)

A

sulfides, sulfite, sulfates

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13
Q

allotropes of sulfur

A

Alpha/ Rhombic S - at RT. Stable
Beta/ Monoclinic S - at equilibrium pt (96°C)

14
Q

uses of sulfur

A
  • Scabicide & keratolytic ointment/ lotion
  • Antiseborrheic/ Anti-dandruff (SeS2)
  • stimulates hair growth; depilatory/ veet (as thioglycolate)
  • Stimulant, cathartic (as SO4^-2); fumigant
15
Q

insoluble in CS2

A
  • amorphous S
  • liquid s
  • plastic s
16
Q

rubber-like

(sulfur)

16
Q

heating sat 160-180C

A

liquid S

(sulfur)

17
Q

boiling S w/ lime and precipitating filtered soln w/ HCl very fine pale yellow powder, odorless, tastless CS2 solubility; readily dissolves

A

Precipitated S

18
Q

Milk of sulfure, lac sulfur

A

Precipitated S

19
Q

fine yellow powder w/ faint odor and taste CS2 solubility slowly and usually incompletely soluble

20
Q

Flowers of sulfur with impurities

21
Treating sublimed S w/ NH3 (to dissolve impurities, particularly As and to remove traces of acid) Characteristics similar to sublimed S
washed S washed out impurities
22
K2Sx * K2S2O3 (Liver of sulfur, Hepar sulfuris)
Sulfurated potash/ Potassa sulfurata
23
white lotion (USP)
sulfurated potash + ZnSO4 > ZnS (active ing. in WL)
23
- Consists mainly of K polysulfide, K thiosulfate & K2SO4 - Irregular, liver brown - Possess H2S odor (rotten egg)
Sulfurated potash/ Potassa sulfurata
23
Use of white lotion
Topical anti-infective: Astringent, Protective, mild antimicrobial & antifungal (tx of skin parasitic diseases, psoriasis, scabicide)
24
industrial use of selenium
rubber
24
Selena (moon)
Selenium
24
Trace element ➔ Antioxidant: promotes absorption of Vit E
selenium
25
Tellurium:______
radioactive
26
First radioactive element discovered by Marie curie
Polonium
27
Synergistic effect:
FeCaDSeE
28
Iron ^ : absorption of _____
Vit C
29
Ca ^ : absorption of _____
Vit D
30
Se ^ : absorption of _____
Vit E