PICLEC: GROUP IIA & IIB Flashcards
This group is Bivalent
Solubility:
- Hydroxide salts are less water soluble than those of alkalis
- Carbonates, Sulfate, Phosphates and Fluoride salts are INSOLUBLE in water
GROUP IIA - THE ALKALINE EARTH METALS
GROUP IIA - THE ALKALINE EARTH METALS
- Brick red in non luminous flame
CALCIUM
GROUP IIA - THE ALKALINE EARTH METALS
- Found in nature in the form of carbonate (chalk, limestone, marble)
- Ca+ ion
- 2nd most abundant element in ECF
CALCIUM
Pharmacologic action:
- Nerve transmission
- Proper cardiac function
- Blood coagulation
- Structural basis of skeleton
CALCIUM
GROUP IIA - CALCIUM
- Sedative
CALCIUM BROMIDE
GROUP IIA - CALCIUM
- Most abundant and widely distributed calcium salt
Forms:
- Amorphous - Chalk
- Crystalline - Limestone, marble
CALCIUM CARBONATE
GROUP IIA - CALCIUM
Calcium carbonate
- External: as Dentrifice (tooth powder) due to mild abrasive property
- Internal: Antacid
- Precipitated chalk
PRECIPITATED CALCIUM CARBONATE
GROUP IIA - CALCIUM
- Drop chalk
- Antacid
PREPARED CHALK
GROUP IIA - CALCIUM
- Ringer’s solution
- Lactated Ringer’s solution
- Urinary acidifier
CALCIUM CHLORIDE
GROUP IIA - CALCIUM
Calcium chloride
- Isotonic solution of three chlorides:
Calcium (Ca), Sodium (Na), and Potassium (K) chlorides
RINGER’S SOLUTION
GROUP IIA - CALCIUM
Calcium chloride
- Calcium (Ca), Sodium (Na), Potassium (K) chlorides + sodium lactate
LACTATED RINGER’S SOLUTION
GROUP IIA - CALCIUM
- Calcium supplement
CALCIUM GLUCONATE
GROUP IIA - CALCIUM
- “Hydrated lime or Slaked lime”
CALCIUM HYDROXIDE
GROUP IIA - CALCIUM
- Mixed with 3-4x of water = “Milk of Lime”
- Saturated aqueous solution = “Lime water”
CALCIUM HYDROXIDE
GROUP IIA - CALCIUM
Uses:
- Antacid
- Mild astringent
- Saponifying agent for oils
CALCIUM HYDROXIDE
GROUP IIA - CALCIUM
- “Lime”, “Calyx”, “Quicklime”
CALCIUM OXIDE
GROUP IIA - CALCIUM
- Slaking: CaO+ H2O = Ca(OH)2
- Used in making Insecticides
CALCIUM OXIDE
GROUP IIA - CALCIUM
- “Velminckx’ solution”
SULFURATED LIME SOLUTION
GROUP IIA - CALCIUM
- Lime + Sublimed sulfur
- Treatment of acne
SUKFURATED LIME SOLUTION
GROUP IIA - CALCIUM
- Source of Calcium and Phosphorus
- Can be supplied with Vitamin D = increases Ca absorption
DIBASIC CALCIUM PHOSPHATE
GROUP IIA - CALCIUM
- “Precipitated calcium phosphate”
- Antacid
TRIBASIC CALCIUM PHOSPHATE
GROUP IIA - CALCIUM
- “Bone ash”
TRIBASIC CALCIUM PHOSPHATE
GROUP IIA - CALCIUM
- “Chlorinated Lime”, “Chloride of lime”
BLEACHING POWDER
GROUP IIA - CALCIUM
- CaOCl(Cl) H2O
- Disinfectant, Bleaching agent
BLEACHING POWDER
GROUP IIA - CALCIUM
- Dihydrate = Gypsum (filler for wall paper)
- Hemihydrate = Plaster of Paris (Used in surgery for making cast)
CALCIUM SULFATE
GROUP IIA - CALCIUM
- “Sulfurated Lime”, “Calcic liver of sulfur”, “Hepar calcis”
- Treatment of Acne
CALCIUM SULFIDE
GROUP IIA - THE ALKALINE METALS
- Nature form of Sulfate (Barite, heavy spar)
- Similar to Ca+ ion but has weaker effect and less toxic
STRONTIUM
GROUP IIA - THE ALKALINE METALS
- Crimson red in non luminous flame
STRONTIUM
GROUP IIA - STRONTIUM
- Sedative
STRONTIUM BROMIDE
GROUP IIA - THE ALKALINE METALS
- Used in sugar industry
STRONTIUM HYDROXIDE
GROUP IIA - THE ALKALINE METALS
- Used in Pyrotechnics
STRONTIUM NITRATE
