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pasama - cqa > group 1a > Flashcards

group 1a Flashcards

(70 cards)

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1
Q

most reactive group

A

alkali metals

group 1a

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2
Q

most electronegative metals

A

alkali metals

group 1a

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3
Q

when combined with hydrogens, alkali metals form ____

A

hydrides

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4
Q

alkali metals react with water to form ____

A

metal hydroxides

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5
Q

alkali metals react with halogens to form ____

A

ionic salts, metal halides

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6
Q

metal hydrides react with water to produce ____ and ____

A
  • hydrogen gas
  • metalic hydroxide
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7
Q

when combined with oxygen, alkali metals form ____

A

oxides

aka peroxides or superperoxides

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8
Q

when combined with hydroxides, alkali metals become ____

A

strong alkali or base

except for lithium due to its small size

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9
Q

who discovered the hydrogen?

A

Henry Cavendish

back then, H was still called as “burnt water”

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10
Q

who coined the term “hydrogen”?

A

Atoine Lavoiser

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11
Q

other names of hydrogen

A
  • burnt water
  • inflammable air
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12
Q

what is the lightest and most abundant element?

A

hydrogen

H

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13
Q
  • cation form of hydrogen
  • anion form of hydrogen
A
  • monovalent or hydronium
  • hydride
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14
Q

preparation processes of hydrogen

A
  • lane process
  • messerschmidt process

produce 99% pure hydrogen

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15
Q

most common or abundant isotope of hydrogen

A

protium

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16
Q

most stable hydrogen isotope; not radioactive and not toxic

A

deuterium

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17
Q

regarded as the “heavy hydrogen”

A

deuterium

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18
Q

very radioactive and unstable hydrogen isotope

A

tritium

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19
Q

used in hydrogen bombs

A

lithium deuterium

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20
Q

lithium isotopes that produce tritium when combined

A

L16 and L17

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21
Q

petalite, a source of lithium, is composed of what elements?

A
  • lithium
  • aluminum
  • silicate
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22
Q

2 sources of lithium

A
  • petalite
  • spodumine or trithane
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23
Q

aside from lithium, spodumine is also a source of?

A

ceramic materials

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24
Q

the lightest metal and solid metal on Earth

A

lithium

Li

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25
who discovered lithium?
J.A. Arfvedson
26
other name for lithium
earth stone
27
lithia is regarded as ____
principal mineral spodumine
28
components of lithia water
* lithium carbonate * lithium chloride
29
an ingredient in lithium ion batter and used in O-LED TVs
lithium fluoride
30
used in the treatment of manic disorder
lithium citrate
31
* 6th most abundant element in Earth's crust * 5th most abundant metal
sodium | Na
32
meaning of the Na symbol of sodium
natrium
33
who isolated sodium?
Humphrey Davy | he also discovered potassium
34
sources of sodium
* sodalite * rock salt * feldspar
35
the **most abundant extracellular fluid cation** and a major contributor in extracellular osmotic pressure
sodium
36
maximum amount of sodium that can be taken per day
2.3 g/day
37
the **cation of choice** to optimize the pharmaceutical utility of organic medicaments
sodium
38
used as an electromicroscope staining to see the presence of sodium acetate
magnesium uranyl acetate | a test for sodium acetate
39
"sodium reagent" is also called as
zinc uranyl acetate | a test for sodium acetate
40
an antidote for **zinc poisoning**
sodium acetate
41
also known as "baking soda"
sodium bicarbonate
42
the **2nd major** extracellular **anion**
sodium bicarbonate
43
the 3 tests for sodium aetate
* **zinc** uranyl acetate * **magnesium** uranyl acetate * **cobalt** uranyl acetate
44
the primary standard for acid-base tritations
sodium carbonate
45
used in the manufacture of soda lime glass
sodium carbonate
46
preparation of obtaining sodium carbonate is called ____
solvay process | produces anhydrous soda ash or "calcined soda"
47
a water softening agent for hard water that dissolves magnesium and calcium
sodium carbonate
48
3 forms of sodium carbonate
* decahydrate * sesquihydrate * anhydrous
49
decahydrate sodium carbonates
* washing soda * sal soda * soda crystal
50
sesquihydrate sodium carbonates
* trona * urao
51
anhydrous sodium carbonates
* soda ash * calcined soda
52
aka sodium pyrosulfite
sodium metabisulfite | Na2S2O5
53
came from sodium hydroxide and disulfur monoxide
sodium metabisulfite
54
used in "micropack" silica gel that has antimicrobial and anti-mold properies
sodium metabisulfite
55
usually used in the production of epinephrine as an excipient
sodium metabisulfite
56
other names for sodium chloride
* rock salt * halite * table salt * soler salt
57
differentiate **rock salt** from **soler salt**
* rock salt - mined underground * soler salt - evaporated from seawater
58
sodium was formerly called as ____
salarium | historically given to soldiers as their salary
59
60
antidote for **silver poisoning**
sodium chloride
61
sodium salt that acts as sequestering agent in Benedict's reagent | used as a test for reducing sugars
sodium citrate
62
**anticoagulant of choice** for most coagulation studies in vitro and a **pro-coagulant** in vivo
sodium citrate
63
used to prevent the greasiness of melting cheese
sodium citrate
64
this sodium salt is poisonous to rats
sodium flouride
65
the **first fluoride compound** used in water fluoridation
sodium fluoride
66
percentage concentration of sodium fluoride when used as anti-cariogenic
2%
67
other names for sodium hydroxide
* caustic soda * sosa * lye
68
# TRUE OR FALSE all hydroxide are caustic
true
69
this readily attacks glass; used in water attack test
sodium hydroxide
70

pasama - cqa (2 decks)

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