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CHEM-1315 > Unit 5.1: Write formulas and names of polyatomic ions > Flashcards

Unit 5.1: Write formulas and names of polyatomic ions Flashcards

1
Q

Reading 4.4: Naming Ionic Compounds

How many types of cations are there

A

3

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2
Q

Reading 4.4: Naming Ionic Compounds

What type of cation is the ammonium ion?

A

Polyatomic cation

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3
Q

Reading 4.4: Naming Ionic Compounds

What is the chemical formula for ammonium?

A

NH4 +

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4
Q

Reading 4.4: Naming Ionic Compounds

How do you name a constant-charge cation?

A

The name of the element followed by the word ion

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5
Q

Reading 4.4: Naming Ionic Compounds

K+ name

A

Potassium ion

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6
Q

Reading 4.4: Naming Ionic Compounds

name Ba 2+

A

Barium ion

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7
Q

Reading 4.4: Naming Ionic Compounds

Name Al 3+

A

Aluminum ion

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8
Q

Reading 4.4: Naming Ionic Compounds

How do you name a variable-charge cation?

A

The name of the element followed by a roman numberal in parentheses to indicate the charge.

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9
Q

Reading 4.4: Naming Ionic Compounds

The nomenclature system in which the oxidation state is represented as a Roman numeral in the name of the compound

A

Stock system

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10
Q

Reading 4.4: Naming Ionic Compounds

Name Co 2+

A

Cobalt (II) ion

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11
Q

Reading 4.4: Naming Ionic Compounds

Name Co 3+

A

Cobalt (III) ion

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12
Q

Reading 4.4: Naming Ionic Compounds

Name Sn 2+

A

Tin (II) ion

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13
Q

Reading 4.4: Naming Ionic Compounds

name Sn4+

A

Tin (IV) ion

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14
Q

Reading 4.4: Naming Ionic Compounds

Name the cation in CrCl2

A

Chromium (II)

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15
Q

Reading 4.4: Naming Ionic Compounds

Name the cation in MnO

A

Manganese (II)

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16
Q

Reading 4.4: Naming Ionic Compounds

The roman numeral in the name of a comppund indicates the _ of the cation.

A

charge

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17
Q

Reading 4.4: Naming Ionic Compounds

Name the cation in each of the following compounds:
1. CuS
2. Cu2S

A
  1. copper (II)
  2. Copper (I)
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18
Q

Reading 4.4: Naming Ionic Compounds

Name the cation in each of the following compounds

A
  1. FeO
  2. Fe2O3
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19
Q

Reading 4.4: Naming Ionic Compounds

How many types of cations are there?

A

2

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20
Q

Reading 4.4: Naming Ionic Compounds

How are monoatomic anions named?

A

change the ending of the element’s name to -ide

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21
Q

Reading 4.4: Naming Ionic Compounds

An anion containing oxygen covalently bonded to another element, such as ClO3 -

A

Oxyanion

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22
Q

Reading 4.4: Naming Ionic Compounds

The suffice -ate is used for the oxyanion with (more/less) oxygen atoms.

A

more

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23
Q

Reading 4.4: Naming Ionic Compounds

The suffix -ite is used for the oxyanion with (more/less) oxygen atoms

A

less

24
Q

Reading 4.4: Naming Ionic Compounds

Polyatomic anions with a charge of _ or _ can add an H+ ion and still be polyatomic anions.

A

-2
-3

25
Q

Reading 4.4: Naming Ionic Compounds

How do you name oxyanions with an added H+ ion

A

Hydrogen followed by the ion name.

26
Q

Reading 4.4: Naming Ionic Compounds

How are oxyanions with two hydrogens added name?

A

Dihydrogen followed by the ion name.

27
Q

Reading 4.4: Naming Ionic Compounds

If SeO4 2- is named selenate, what is the name of SeO3 2-

A

Selenite

28
Q

Reading 4.4: Naming Ionic Compounds

What would the formula of carbonite be if it was a real element?

A

Co2 2-

29
Q

Reading 4.4: Naming Ionic Compounds

How do you name ionic compounds?

A

State the name of the cation followed by the name of the anion.

30
Q

Reading 4.4: Naming Ionic Compounds

Name NaNO3

A

Sodium nitrate

31
Q

Reading 4.4: Naming Ionic Compounds

Name Cu2S

A

Copper (I) sulfide

32
Q

Reading 4.4: Naming Ionic Compounds

Name (NH4)2SO4

A

Ammonium sulfate

33
Q

Reading 4.4: Naming Ionic Compounds

Write the formulas for zinc nitrate

A

Zn(NO3)2

34
Q

Reading 4.4: Naming Ionic Compounds

Write the formula for cobalt(III) hypochlorite

A

Co(ClO)3

35
Q

Reading 4.4: Naming Ionic Compounds

Write the formula for Lead (IV) sulfate

A

Pb(SO4)2

36
Q

Reading 4.4: Naming Ionic Compounds

Write the formula for Aluminum sulfide

A

Al2S3

37
Q

Reading 4.4: Naming Ionic Compounds

Water molecules incorporated into the crystal lattice structure of some ionic compounds, indicated in the chemical formula by a centered dot after the ionic formula.

A

Waters of hydration

38
Q

Reading 4.4: Naming Ionic Compounds

An ionic compound that has water molecules bonded to it

A

Hydrate

39
Q

Reading 4.4: Naming Ionic Compounds

How many water molecules are bonded to each formula unit of CuSO4 ⋅ 5 H2O

A

5

40
Q

Reading 4.4: Naming Ionic Compounds

Without water, coming from a hydrate

A

Anhydrous

41
Q

Reading 4.4: Naming Ionic Compounds

Hydrates are (solid/liquid) at room temperature

A

Solid

42
Q

Reading 4.4: Naming Ionic Compounds

How do you name hydrates?

A

Name the ionic compound first, then combine a predix that identidies the number of water molecules with the word hydrate to indicate the presence of the water molecules.

43
Q

Reading 4.4: Naming Ionic Compounds

Name CuSO4 ⋅ 5 H2O

A

Copper (II) sulfate pentahydrate

44
Q

Reading 4.4: Naming Ionic Compounds

Name CuSO4 ⋅ 5 H2O after turning into CuSO4.

A

Copper (II) sulfate or anhydrous copper(II) sulfate

45
Q

Reading 4.4: Naming Ionic Compounds

Write the formula for Anhydrous zinc sulfate

A

ZnSO4

46
Q

Reading 4.4: Naming Ionic Compounds

Write the formula for Zinc sulfate heptahydrate

A

ZnSO4⋅ 7 H2O

47
Q

Reading 4.4: Naming Ionic Compounds

Determine the name of MgCl2

A

Magnesium chloride

48
Q

Reading 4.4: Naming Ionic Compounds

Determine the name of MgCl2 ⋅ 6 H2O

A

Magnesium chloride hexahydrate

49
Q

Reading 4.4: Naming Ionic Compounds

What category of anions are oxyanions

A

Polyatomic anions

50
Q

Reading 4.4: Naming Ionic Compounds

Which group of elements uses the additional “hyper” and “hypo” prefixes?

A

Halogens

51
Q

5.1 Lecture Notes

Two or more ions bonded together

A

Polyatomic ions

52
Q

5.1 Lecture Notes

Within polyatomic ions, the atoms are bonded by _ bonds.

A

Covalent

53
Q

5.1 Lecture Notes

Hydronium ion formula

A

H3O+

54
Q

5.1 Lecture Notes

What suffix is used for the most common oxyanion of an element?

A

-ate

55
Q

5.1 Lecture Notes

A species composed of two or more atoms covalently bonded

A

Polyatomic ion

56
Q

5.1 Lecture Notes

Dichromate formula

A

Cr2O7 2-

CHEM-1315 (27 decks)

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