Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

PCQA FIN > VIA n VIB > Flashcards

VIA n VIB Flashcards

1
Q

Is the most abundant element in the earth’s crust

A

OXYGEN

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Occur much less abundantly than sulfur. They are found along with sulfur in metal sulfides and are recovered in some quantity from lead and copper refining processes

A

SELENIUM AND TELLURIUM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Occurs only in the form of radioisotopes as a result of the decay of the actinide elements

A

POLONIUM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Is also a very common element and was known to the ancients as brimstone, that is “burning stone”. It occurs on the earth’s crust as a free element and in combined form as metal sulfide and sulfate

A

SULFUR

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q
  • “Dephlogisticated air” (Priestly)
  • “empyreal air” (scheele)
  • most abundant element
  • non metallic element
  • 2nd most electronegative
  • essential of all elements
  • responsible for the oxidative changes
  • in paints, fats, fixed oils
A

OXYGEN

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Oxygen is stored in what color of cylinder?

A

GREEN CYLINDER

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

3 allotropes of oxygen

A
  • OZONE
  • OXYGEN
  • NASCENT OXYGEN
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Oxygen requirements

A
  • ANOXIC
  • ANEMIC
  • HISTOTOXIC
  • STAGNANT
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Blood circulation is retarded

A

STAGNANT

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Inadequate oxygen tension in air

A

ANOXIC

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Tissue or cell oxidation

A

HISTOTOXIC

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Decrease hemoglobin

A

ANEMIC

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q
  • Administration - tubes, masks, tents
  • diluent for anesthetic agent
A

OXYGEN GAS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q
  • “Brimstone”
  • “burning stone”
A

SULFUR

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Enemy of copper

A

SHULBARI

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Sources of sulfur

A
  • FeS2 – Iron Pyrite
  • PbS – Galena
  • HgS – Cinnabar
  • ZnS – Zinc blend
  • CaSO4● 2H2O – Gypsum
  • BaSO4 – Heavy spar
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Form when sulfur is heated above 1000 degrees celsius

A

SULFUR VAPOR

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Ex. rock sulfur, roll sulfur, flower of sulfur

A

RHOMBIC

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Rubbery, plastic mass

A

PLASTIC OR AMORPHOUS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Straw-colored liquid

A

MOBILE

19
Q

Thick and sticky like molasses

A

VISCOUS

20
Q

Milk of sulfur, fine, component of cream, ointment

A

PRECIPITATED SULFUR

21
Q

Flower of sulfur, azufre, coarse, cathartic

A

SUBLIMED SULFUR

22
Q

Uses of sulfur

A
  • Preparation of scabicidal & keratolytic ointments & lotions
  • Stimulant cathartic
  • Stimulant in alopecia
  • Fumigant (SO2)
  • Depilatory (sulfides)
  • Keratolytic (SrS)
  • Antiseborrheic (CdS)
23
Q
  • “Oil of vitriol”
  • sulfonating agent
  • dehydrating agent
A

SULFURIC ACID

24
Q
  • Use in photography
  • for ringworm
  • antidote for cyanide and iodine poisoning
A

SODIUM THIOSULFATE

25
Q
  • “Aitch-tu-es-gas”
  • reducing agent, precipitating agent of metal ions
  • rotten egg odor
A

HYDROGEN SULFIDE

26
Q
  • Precipitated sulfur
  • liquid petrolatum
  • white ointment
  • scabicide
  • parasiticide
A

SULFUR OINTMENT

27
Q
  • “Moon”
  • trace element
  • anti-oxidant
  • synergistic with Vit. E
  • too toxic when taken internally
  • use in the manufacture of photocopying machine
  • catalyst in nitrogen determination
A

SELENIUM

28
Q
  • Active constituent of selsun blue
  • anti-seborrheic
A

SELENIUM SULFIDE

29
Q

A radioactive isotope as a result of decay of actinide elements

A

POLONIUM

30
Q
  • Is a hard silvery-white metal, which is stable in air at room temperature
  • resembles molybdenum in chemical properties
A

TUNGSTEN

31
Q

Its uses are:

  • in making special steel alloys
  • for the filaments of electric lamps
  • as the anti-cathode in x-ray tubes
A

TUNGSTEN

32
Q
  • Essential trace element
  • cofactor of enzyme that are flavin dependent
  • use in nitrogen fixation involve in bacterial fixing of atmospheric nitrogen
A

MOLYBDENUM

33
Q

MoO +FeSO4

A

Mol-Iron®

34
Q

_______ forms compounds with oxidation states of 2+, 3+ (most stable) and 6+

A

CHROMIUM

35
Q

_______ and _______ form compounds in which they exhibit oxidation states of 2+ through 6+

A

MOLYBDENUM AND TUNGSTEN

36
Q

The elements of group VIB form oxides of which those of higher molecular weight are acidic. True or false

A

TRUE

37
Q

Color of Cr+2

A

GREEN

38
Q

Color of Cr2O7-2 (Dichromate)

A

ORANGE

39
Q

Color of CrO4-2 (Chromate)

A

YELLOW

40
Q

Color of Cr+3

A

BLUE

41
Q

Source of chromium

A

CHROME IRON ORE

42
Q
  • Trace element
  • glucose tolerance factor
  • increases insulin sensitivity
  • found in brown sugar & butter
  • salts are destructive to tissues
A

CHROMIUM

43
Q

Chromium deficiency

A

MIMICS DIABETES MELLITUS

44
Q

Powerful oxidizing agent

A

K2Cr2O7 (POTASSIUM DICHROMATE)

45
Q

An alloy containing 40% to 80% chromium with iron

A

FERROCHROME

46
Q

An alloy containing 10% to 25% chromium and 50% to 70% nickel

A

NICHROME

47
Q

An alloy of chromium, cobalt, and tungsten used for surgical instruments

A

STELLITE

PCQA FIN (9 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions