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CA1 - Inorg Grp Properties > 2A: Alkaline earth metal > Flashcards

2A: Alkaline earth metal Flashcards

1
Q

Alkaline earth metals

A

Be, Mg, Ca, Sr, Ba, Ra

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2
Q

Valence of alkaline earth metals

A

+2

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3
Q

most toxic (never employed in medicine)

A

Beryllium

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4
Q

lightest of all structurally important metals

A

magnesium

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5
Q

(+) Fluorescent lamp

A

Beryllium

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6
Q

component in flares/ fireworks

A

magnesium

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7
Q

2nd most abundant intracellular cation

A

magnesium

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8
Q

component in chlorophyll (photosynthesis)

A

magnesium

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9
Q

magnesium is also a component of ___________ (RMgX; alcohol synthesis)

A

grignard

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10
Q

Sources of magnesium

A
  • Mg silicates
  • Mg carbonates
  • Mg sulfates
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11
Q

talc, asbestos (carcinogenic)

A

Mg silicates

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12
Q

asbestos can induce ________/lung cancer

A

mesothelioma

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13
Q

magnesite, dolomite - CaMg(CO3)2

A

Mg carbonate

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14
Q

kieserite MgSO4 . H2O

A

Mg Sulfate

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15
Q

uses of magnesium

A
  • natural Ca channel blocker
  • laxative/cathartic
  • depressant
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16
Q

Tx for natural Ca channel blocker

A

Ca gluconate

17
Q

2nd most abundant extracellular fluid

A

calcium

18
Q

(+) Bones, teeth (98-99%) -> ____________

A

hydroxy apatite

19
Q

sources of calcium

A
  • apatite: CaF2 . Ca3(PO4)2
  • fluorite: CaF2
  • phosphate rock: Ca3(PO4)2
  • dolomite: MgCO3 . CaCO3
  • gypsum: CaSO4 . 2H2O
  • plaster of paris: CaSO4 1/2H2O
20
Q

uses of calcium

A
  • muscle contractant, blood coagulation factor
  • (Prothrombin , thrombin) release of NT (Norepinephrine)
  • deficiency: osteoporosis, osteomalacia, rickets, hypocalcmia
21
Q

CaC03 + heat —> Cao (lime) + 02

A

calcination

22
Q

CaO + H20 —> Ca(OH)2 (Slaked lime)

A

Slaking

23
Q

Lime water- Sat soln of Ca(OH)2 in water

A

Slaking

24
Q

Ca(OH)2 + CO2 —-> CaC03 + H20

A

Carbonation

25
Q

Brass yellow metal

A

strontium

26
Q

(+) flare manufacturer

A

strontium

27
Q

Radioactive Sr: ___________

A

bone scanner

28
Q

Heavy; toxicity is baritosis

A

Barium

29
Q

antidote for baritosis

A

Epsom salt

30
Q

Marie Curie discovered ____________ first

A

Polonium

31
Q

Discoverer of radium

A

Marie Curie

32
Q

radioactive for ______________, diagnostic purposes
(radium)

A

CA radiotherapy

CA1 - Inorg Grp Properties (11 decks)

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