Group 2A Flashcards
1
Q
Describe Group 2A
A
- have higher density and melting point
- solid at room temperature
- harder and denser than alkali metals
- do not occur free in nature
- +2 oxidation state
- carbonates, phosphates, sulfates and fluorides are insoluble
2
Q
Be
A
- most toxic metal
- does not react H2O
- fluorescent lamps
- dissolves in caustic alkali
- least reactive
3
Q
Antidote for Beryllium
A
EDTA
4
Q
Describe Magnesium
A
- lightest structurally important metal
- intracellular cation
- necessary in plants for synthesis of chlorophyll
- grignard’s reagent
- rare toxicity
5
Q
Antidote for Magnesium
A
Ca gluconate IV
6
Q
Magnesium carbonate
A
-magnesia
Antacid
Laxative
7
Q
Magnesium hydroxide
A
-Milk of Magnesia
-Magnesia magma
Antacid
Laxative
8
Q
Magnesium oxide
A
-Calcinated magnesium
Antacid
Laxative
Component of universal antidote
9
Q
Magnesium trisilicate
A
Antacid
10
Q
Magnesium sulfate
A
-epsom salt
Cathartic
Anticonvulsant
Antidote for toxicity
11
Q
Hydrated Mg Silicate
A
-Talc
-Soapstone
-french chalk
Filtering agent
Clarifying agent
12
Q
Group 2A is aka
A
Alkaline Earth Metals
