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Ions and Molecules Flashcards

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1
Q

What is the formula for ammonium?

A

NH4+

Ammonium is a positively charged polyatomic ion.

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2
Q

What is the chemical symbol for caesium?

A

Cs

Caesium is an alkali metal with atomic number 55.

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3
Q

What is the symbol for copper(1)?

A

Cu+

Copper(1) indicates copper with a +1 oxidation state.

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4
Q

What is the formula for hydrogen?

A

H2

Hydrogen exists as a diatomic molecule.

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5
Q

What is the chemical symbol for lithium?

A

Li

Lithium is an alkali metal with atomic number 3.

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6
Q

What is the formula for potassium?

A

K+

Potassium is a common alkali metal ion.

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7
Q

What is the chemical symbol for rubidium?

A

Rb

Rubidium is an alkali metal with atomic number 37.

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8
Q

What is the symbol for silver?

A

Ag

Silver has the atomic number 47.

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9
Q

What is the formula for sodium?

A

Na+

Sodium is a key alkali metal ion.

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10
Q

What is the chemical symbol for barium?

A

Ba2+

Barium has a +2 oxidation state.

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11
Q

What is the formula for calcium?

A

Ca2+

Calcium is an alkaline earth metal.

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12
Q

What is the symbol for cobalt(II)?

A

Co2+

Cobalt(II) indicates cobalt with a +2 oxidation state.

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13
Q

What is the formula for copper(II)?

A

Cu2+

Copper(II) indicates copper with a +2 oxidation state.

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14
Q

What is the chemical symbol for iron(II)?

A

Fe2+

Iron(II) indicates iron with a +2 oxidation state.

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15
Q

What is the formula for lead(II)?

A

Pb2+

Lead(II) indicates lead with a +2 oxidation state.

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16
Q

What is the chemical symbol for magnesium?

A

Mg2+

Magnesium is an alkaline earth metal.

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17
Q

What is the formula for manganese(II)?

A

Mn2+

Manganese(II) indicates manganese with a +2 oxidation state.

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18
Q

What is the symbol for nickel(II)?

A

Ni2+

Nickel(II) indicates nickel with a +2 oxidation state.

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19
Q

What is the formula for strontium?

A

Sr2+

Strontium is an alkaline earth metal.

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20
Q

What is the chemical symbol for zinc?

A

Zn2+

Zinc typically has a +2 oxidation state.

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21
Q

What is the formula for aluminium?

A

Al3+

Aluminium commonly has a +3 oxidation state.

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22
Q

What is the symbol for chromium(III)?

A

Cr3+

Chromium(III) indicates chromium with a +3 oxidation state.

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23
Q

What is the formula for iron(III)?

Study These Flashcards
A

Fe3+

Iron(III) indicates iron with a +3 oxidation state.

24
Q

What is the formula for ammonia?

Study These Flashcards
A

NH3

Ammonia is a compound containing nitrogen and hydrogen.

25
What is the formula for water?
H2O ## Footnote Water is a vital compound for life.
26
What is the chemical formula for hydrogen peroxide?
H2O2 ## Footnote Hydrogen peroxide is commonly used as a disinfectant.
27
What is the formula for aethanoic acid?
CH3COOH ## Footnote Aethanoic acid is also known as acetic acid.
28
What is the formula for hydrochloric acid?
HCl ## Footnote Hydrochloric acid is a strong acid used in various applications.
29
What is the formula for nitric acid?
HNO3 ## Footnote Nitric acid is a strong acid and a powerful oxidizing agent.
30
What is the formula for carbonic acid?
H2CO3 ## Footnote Carbonic acid forms when carbon dioxide dissolves in water.
31
What is the formula for sulfuric acid?
H2SO4 ## Footnote Sulfuric acid is one of the most widely produced industrial chemicals.
32
What is the formula for sulfurous acid?
H2SO3 ## Footnote Sulfurous acid is less common and weaker than sulfuric acid.
33
What is the formula for phosphoric acid?
H3PO4 ## Footnote Phosphoric acid is used in fertilizers and food flavoring.
34
What is the chemical symbol for bromide?
Br- ## Footnote Bromide is a negatively charged ion derived from bromine.
35
What is the formula for chloride?
Cl- ## Footnote Chloride is a common ion in biological systems.
36
What is the symbol for cyanide?
CN- ## Footnote Cyanide is a highly toxic ion.
37
What is the formula for dihydrogenphosphate?
H2PO4- ## Footnote Dihydrogenphosphate is a key intermediate in metabolic pathways.
38
What is the formula for ethanoate (acetate)?
CH3COO- ## Footnote Acetate is derived from acetic acid.
39
What is the chemical symbol for fluoride?
F- ## Footnote Fluoride is essential for dental health.
40
What is the formula for hydrogencarbonate?
HCO3- ## Footnote Hydrogencarbonate, or bicarbonate, plays a role in pH regulation.
41
What is the symbol for hydrogen sulfate?
HSO4- ## Footnote Hydrogen sulfate is the conjugate base of sulfuric acid.
42
What is the formula for hydroxide?
OH- ## Footnote Hydroxide is a common base in chemistry.
43
What is the chemical symbol for iodide?
I- ## Footnote Iodide is the ion form of iodine.
44
What is the formula for nitrate?
NO3- ## Footnote Nitrate is a key nutrient in agriculture.
45
What is the formula for nitrite?
NO2- ## Footnote Nitrite can form from the oxidation of ammonia.
46
What is the symbol for permanganate?
MnO4- ## Footnote Permanganate is a strong oxidizing agent.
47
What is the formula for carbonate?
CO3-2 ## Footnote Carbonate is found in many minerals and is crucial for biological processes.
48
What is the formula for chromate?
CrO4-2 ## Footnote Chromate is used in various industrial applications.
49
What is the formula for dichromate?
Cr2O7-2 ## Footnote Dichromate is known for its strong oxidizing properties.
50
What is the formula for hydrogen phosphate?
HPO4-2 ## Footnote Hydrogen phosphate is important in biological systems.
51
What is the formula for oxalate?
C2O4-2 ## Footnote Oxalate is found in various plants and can form insoluble salts.
52
What is the formula for oxide?
O-2 ## Footnote Oxide is a common ion formed from oxygen.
53
What is the formula for sulfate?
SO4-2 ## Footnote Sulfate is often found in minerals and biological systems.
54
What is the formula for sulfide?
S-2 ## Footnote Sulfide is commonly found in minerals and can be toxic.
55
What is the formula for sulfite?
SO3-2 ## Footnote Sulfite is used as a preservative in food.
56
What is the formula for nitride?
N-3 ## Footnote Nitride is a compound formed with nitrogen.
57
What is the formula for phosphate?
PO4-3 ## Footnote Phosphate is crucial for DNA and RNA structure.

Chemistry (7 decks)

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