Chemical formula and reactions Flashcards

1
Q

positively charged atoms or molecules.

CHOICES:
Cations, Anions, Acids, Bases, Ionic compounds, oxyanions, Binary ionic compounds, Ternary compounds, Binary molecular compounds, Hydrates

A

Cations

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2
Q

When positively charged particles attract negatively charged particles, they can form ionic compounds. True or False

A

True

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3
Q

negatively charged atoms or molecules.

CHOICES:
Cations, Anions, Acids, Bases, Ionic compounds, oxyanions, Binary ionic compounds, Ternary compounds, Binary molecular compounds, Hydrates

A

Anions

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4
Q

ionic compounds formed from just two elements

CHOICES:
Cations, Anions, Acids, Bases, Ionic compounds, oxyanions, Binary ionic compounds, Ternary compounds, Binary molecular compounds, Hydrates

A

Binary ionic compounds

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5
Q

ionic compounds formed from a combination of more than two elements.

CHOICES:
Cations, Anions, Acids, Bases, Ionic compounds, oxyanions, Binary ionic compounds, Ternary compounds, Binary molecular compounds, Hydrates

A

Ternary compounds

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6
Q

they have variety of suffixes other than -ide

CHOICES:
Cations, Anions, Acids, Bases, Ionic compounds, oxyanions, Binary ionic compounds, Ternary compounds, Binary molecular compounds, Hydrates

A

Ternary compounds

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7
Q

commonly ends with the suffix – ide

CHOICES:
Cations, Anions, Acids, Bases, Ionic compounds, oxyanions, Binary ionic compounds, Ternary compounds, Binary molecular compounds, Hydrates

A

Binary ionic compounds

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8
Q

Cations formed from metal atoms bear the name of the metal itself. True or False

A

True

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9
Q

When naming metal ions that have more than one charge such as the transition metals, we use the name of the metal itself and its roman numeral enclosed in parenthesis to indicate the charge. True or False

A

True

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10
Q

Metals with two charges only can be named using their root Latin name / old metal name followed by the suffix –ous and – ic. The suffix –ous indicates the ion with the highest charge, while – ic indicates the lowest. True or False

A

False - The suffix –ous indicates the ion with the lowest charge, while – ic indicates the highest.

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11
Q

Anions formed from nonmetal atoms have the suffix –ium. True or False

A

False - Cations

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12
Q

Monoatomic anions will have the suffix -ide. True or False

A

True

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13
Q

Polyatomic anions with oxygens are called _________.

CHOICES:
Cations, Anions, Acids, Bases, Ionic compounds, oxyanions, Binary ionic compounds, Ternary compounds, Binary molecular compounds, Hydrates

A

oxyanions

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14
Q

In oxyanions, they usually bear the suffix –ate for the common oxyanion, and –ite if is one oxygen less than the common. True or False

A

True

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15
Q

Some oxyanions can be extended to form four members. The prefix per- is added to the oxyanion with one oxygen more than the common, and prefix hypo- to the oxyanion that is one oxygen less to that of the –ite version. True or False

A

True

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16
Q

Anions derived by adding H+ to an oxyanion are named by adding as a prefix the word hydrogen/bi- or dihydrogen. True or False

A

True

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17
Q

____________ are made by combining cations and anions in the right proportion so there would be no charge in its final form.

CHOICES:
Cations, Anions, Acids, Bases, Ionic compounds, oxyanions, Binary ionic compounds, Ternary compounds, Binary molecular compounds, Hydrates

A

Ionic compounds

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18
Q

The right proportion of cations and anions can be easily obtained by crisscrossing the number of their charges. True or False

A

True

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19
Q

ionic compounds whose cation is solely hydronium ion H+.

CHOICES:
Cations, Anions, Acids, Bases, Ionic compounds, oxyanions, Binary ionic compounds, Ternary compounds, Binary molecular compounds, Hydrates

A

Acids

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20
Q

The number of H+ ions in the formula for acid should be equal to the numerical charge of the cation pair. True or False

A

False - anion pair

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21
Q

Acids whose anions with suffix – ide are named by changing –ide to –ic followed by the word acid. The prefix hydro- is also needed. True or False

A

True

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22
Q

Acids whose anions with suffix – ate and -ite are named by changing –ate to –ic and –ite to – ous, followed by the word acid. True or False

A

True

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23
Q

ionic compounds whose anion is solely hydroxide ion OH

CHOICES:
Cations, Anions, Acids, Bases, Ionic compounds, oxyanions, Binary ionic compounds, Ternary compounds, Binary molecular compounds, Hydrates

A

Bases

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24
Q

The number of OH- ions in the

formula for the base should be equal to the numerical charge of the anion pair. True or False

A

False - cation

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25
Q

In naming bases, we name cations first and then anion with rules like previously discussed. Just add the ending hydroxide. True or False

A

True

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26
Q

ionic compounds with a specific number of water molecules attached to the molecule.

CHOICES:
Cations, Anions, Acids, Bases, Ionic compounds, oxyanions, Binary ionic compounds, Ternary compounds, Binary molecular compounds, Hydrates

A

Hydrates

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27
Q

covalent molecules with two elements only

CHOICES:
Cations, Anions, Acids, Bases, Ionic compounds, oxyanions, Binary ionic compounds, Ternary compounds, Binary molecular compounds, Hydrates

A

Binary molecular compounds

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28
Q

In naming binary molecules, The name of the element farther to the left of the periodic table is usually written last. True or False

A

False - written first

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29
Q

Do not use the mono- prefix for the first element in naming binary molecules.True or False

A

True

30
Q

Matter transforms into different
physical states.

CHOICES:
Chemical Change, Decomposition Reaction, Synthesis/Combination Reaction, Single Displacement Reaction, Double Displacement Reaction, Physical Change

A

Physical Change

31
Q

Matter changes its chemical identity from one compound to another.

CHOICES:
Chemical Change, Decomposition Reaction, Synthesis/Combination Reaction, Single Displacement Reaction, Double Displacement Reaction, Physical Change

A

Chemical Change

32
Q

The reaction occurs when the reactants combine to form a single product.

CHOICES:
Chemical Change, Decomposition Reaction, Synthesis/Combination Reaction, Single Displacement Reaction, Double Displacement Reaction, Physical Change

A

Synthesis/Combination Reaction

33
Q

The reaction occurs when one element replaces another
element.

CHOICES:
Chemical Change, Decomposition Reaction, Synthesis/Combination Reaction, Single Displacement Reaction, Double Displacement Reaction, Physical Change

A

Single Displacement Reaction

34
Q

The reaction occurs when a single reactant decomposes, usually by heating or by applying electricity, to form many products.

CHOICES:
Chemical Change, Decomposition Reaction, Synthesis/Combination Reaction, Single Displacement Reaction, Double Displacement Reaction, Physical Change

A

Decomposition Reaction

35
Q

The reaction occurs when the elements switch pairs, forming
new compounds.

CHOICES:
Chemical Change, Decomposition Reaction, Synthesis/Combination Reaction, Single Displacement Reaction, Double Displacement Reaction, Physical Change

A

Double Displacement Reaction

36
Q

A → B + C + …

CHOICES:
Chemical Change, Decomposition Reaction, Synthesis/Combination Reaction, Single Displacement Reaction, Double Displacement Reaction, Physical Change

A

Decomposition Reaction

37
Q

AB + CD → AD + CB

CHOICES:
Chemical Change, Decomposition Reaction, Synthesis/Combination Reaction, Single Displacement Reaction, Double Displacement Reaction, Physical Change

A

Double Displacement Reaction

38
Q

AB + C → AC + B

CHOICES:
Chemical Change, Decomposition Reaction, Synthesis/Combination Reaction, Single Displacement Reaction, Double Displacement Reaction, Physical Change

A

Single Displacement Reaction

39
Q

A+ B → C

CHOICES:
Chemical Change, Decomposition Reaction, Synthesis/Combination Reaction, Single Displacement Reaction, Double Displacement Reaction, Physical Change

A

Synthesis/Combination Reaction

40
Q

Reaction occurs when an organic compound (substances containing CHO) burns in air/oxygen-producing water vapor and carbon dioxide. The reaction goes into completion.

CHOICES:
soot, ionization process, Solubility Rules, Precipitation Reaction, redox reduction, acid-base reaction, Combustion Reaction

A

Combustion Reaction

41
Q

If the combustion reaction is not complete, _______ or toxic carbon monoxide (CO) will be formed, instead of carbon dioxide (CO2).

CHOICES:
soot, ionization process, Solubility Rules, Precipitation Reaction, redox reduction, acid-base reaction, Combustion Reaction

A

soot

42
Q

Most ionic compounds are soluble in water. That means, the ionic species from a compound separates from each other. This is called the dissociation or ____________.

CHOICES:
soot, ionization process, Solubility Rules, Precipitation Reaction, redox reduction, acid-base reaction, Combustion Reaction

A

ionization process

43
Q

Ions that can combine to form substances

CHOICES:
soot, ionization process, Solubility Rules, Precipitation Reaction, redox reduction, acid-base reaction, Combustion Reaction

A

precipitation reaction

44
Q

Ions that can neutralize each other, forming neutral substances

CHOICES:
soot, ionization process, Solubility Rules, Precipitation Reaction, redox reduction, acid-base reaction, Combustion Reaction

A

acid-base reaction

45
Q

The species present can transfer electrons

CHOICES:
soot, ionization process, Solubility Rules, Precipitation Reaction, redox reduction, acid-base reaction, Combustion Reaction

A

redox reduction

46
Q

Occurs when the present ions in a solution pairs to form an insoluble compound, known as the precipitate.

CHOICES:
soot, ionization process, Solubility Rules, Precipitation Reaction, redox reduction, acid-base reaction, Combustion Reaction

A

Precipitation Reaction

47
Q

used to predict whether precipitate will form or not

CHOICES:
soot, ionization process, Solubility Rules, Precipitation Reaction, redox reduction, acid-base reaction, Combustion Reaction

A

Solubility Rules

48
Q

The insoluble compound may be solid or colloidal in form.

CHOICES:
soot, ionization process, Solubility Rules, Precipitation Reaction, redox reduction, acid-base reaction, Combustion Reaction

A

Precipitation Reaction

49
Q

Achemical equation whose all species are represented as molecules.

CHOICES:
Bases, Acids, water, salt, Oxidation-Reduction Reactions, neutralization reaction, Net ionic Equation, Ionic Equation, Molecular Equation

A

Molecular Equation

50
Q

A chemical equation whose all species are represented as ions, except for the precipitate.

CHOICES:
Bases, Acids, water, salt, Oxidation-Reduction Reactions, neutralization reaction, Net ionic Equation, Ionic Equation, Molecular Equation

A

Ionic Equation

51
Q

Ionic equation without the spectator ions and/or ions that appear on both sides.

CHOICES:
Bases, Acids, water, salt, Oxidation-Reduction Reactions, neutralization reaction, Net ionic Equation, Ionic Equation, Molecular Equation

A

Net ionic Equation

52
Q

substances whose anion
is a hydroxide ion OH-

CHOICES:
Bases, Acids, water, salt, Oxidation-Reduction Reactions, neutralization reaction, Net ionic Equation, Ionic Equation, Molecular Equation

A

Bases

53
Q

substances whose cation
is a proton H+

CHOICES:
Bases, Acids, water, salt, Oxidation-Reduction Reactions, neutralization reaction, Net ionic Equation, Ionic Equation, Molecular Equation

A

Acids

54
Q

When acids and bases combine,
H+ will react with OH- to produce water and salts. This is called the ___________

CHOICES:
Bases, Acids, water, salt, Oxidation-Reduction Reactions, neutralization reaction, Net ionic Equation, Ionic Equation, Molecular Equation

A

neutralization reaction

55
Q

The H+ from acid will combine with OH- of the base to produce _____. The remaining anion and cation can be paired to form ______.

CHOICES:
Bases, Acids, water, salt, Oxidation-Reduction Reactions, neutralization reaction, Net ionic Equation, Ionic Equation, Molecular Equation

A

water, salt

56
Q

This type of reaction involves transfer of electrons between two species

CHOICES:
Bases, Acids, water, salt, Oxidation-Reduction Reactions, neutralization reaction, Net ionic Equation, Ionic Equation, Molecular Equation

A

Oxidation-Reduction Reactions

57
Q

In oxidation-reduction reactions or redox reaction, two reactions are happening simultaneously. True or False

A

True

58
Q

substances lose / give off electrons in redox reaction

CHOICES:
Oxidation reaction, Reduction reaction, Oxidizing agent, Reducing agent, Oxidation number, oxidized, Elementary substance

A

Oxidation reaction

59
Q

substances that gain or accept the electrons in a redox reaction

CHOICES:
Oxidation reaction, Reduction reaction, Oxidizing agent, Reducing agent, Oxidation number, oxidized, Elementary substance

A

Reduction reaction

60
Q

If an element is ______, its oxidation number (oxidation state) will increase.

CHOICES:
Oxidation reaction, Reduction reaction, Oxidizing agent, Reducing agent, Oxidation number, oxidized, Elementary substance

A

oxidized

61
Q

substance that gains electrons in a redox reaction

CHOICES:
Oxidation reaction, Reduction reaction, Oxidizing agent, Reducing agent, Oxidation number, oxidized, Elementary substance

A

Oxidizing agent

62
Q

Substance that loses electrons in a redox reaction

CHOICES:
Oxidation reaction, Reduction reaction, Oxidizing agent, Reducing agent, Oxidation number, oxidized, Elementary substance

A

Reducing agent

63
Q

The actual charge of an atom in a compound or an element.

CHOICES:
Oxidation reaction, Reduction reaction, Oxidizing agent, Reducing agent, Oxidation number, oxidized, Elementary substance

A

Oxidation number

64
Q

The oxidation number (ON) of an element in an elementary substance is 0. True or False

A

True

65
Q

compound whose atoms are of the same element

CHOICES:
Oxidation reaction, Reduction reaction, Oxidizing agent, Reducing agent, Oxidation number, oxidized, Elementary substance

A

Elementary substance

66
Q

The ON of an element in a polyatomic ion is equal to the charge of that ion. True or False

A

False - Monoatomic

67
Q

Hydrogen usually has an ON of +1 when it is bonded with nonmetals. True or False

A

True

68
Q

The sum of the oxidation numbers of elements of a neutral molecule is 0. For polyatomic ions, ON is equal to the charge of the ion. True or False

A

True

69
Q

Oxygen has an oxidation number of -2 unless bonded with Group 1 metal (metal will have +1 ON) and Group 2 metal (metal will have +2 ON). True or False

A

True

70
Q

When balancing redox reactions, the first step is to separate into half reactions to see clearly the redox reaction. True or False

A

True