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Chemistry 1A > Unit 3 (Chemical Compounds and Naming Them) > Flashcards

Unit 3 (Chemical Compounds and Naming Them) Flashcards

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1
Q

Elements combined together and unlike mixtures, they have a definite proportion

A

Compounds

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2
Q

An equation that represents the elements present in a compound

A

Chemical Formula

EX) H2O

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3
Q

These ions have the same names as their metals, ex) Sodium Ion, Calcium Ion

A

Cations

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4
Q

These ions are named by changing the suffix of the metal to -ide, ex) Fouride Ion, Oxide Ion

A

Anions

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5
Q

A group of common Ions composed of more than one atom and can be either positive or negatively charged

A

Polyatomic Ions

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6
Q

Anions containing oxygen and another element

A

Oxyanions

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7
Q

If there are two ions in a series, the one with the most oxygen atoms has what suffix?

A

-ate

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8
Q

If there are two ions in a series, the one with the least oxygen atoms has what suffix?

A

-ite

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9
Q

the prefix hypo- means what?

A

Less than

This oxyanion has a charge of 1 EX) ClO-

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10
Q

The prefix per- means what?

A

More than

EX) ClO4

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11
Q

True or False: In ionic compounds, polyatomic ions act as one?

A

True

EX) Mg(OH)2

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12
Q

When naming Ionic compounds, which goes first the Cation (metal) or Anion (nonmetal)?

A

Cation (metal)

EX) Li+ and Br- form Lithium Bromide or LiBr

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13
Q

Ionic compounds are made up of what?

A

Metal + Nonmetal

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14
Q

Molecular compounds are made up of what?

A

Two nonmetals

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15
Q

List the exceptions of Ionic Compound Cations

A
  1. NH4+ or the Ammonium Ion
  2. Ions of Mercury
  3. Hydrogen and Carbon sometimes form as Ions
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16
Q

Which compound do these properties belong to:
-Crystalline solid
-Hard and brittle
-High melting, boiling point, and density
-Strong electrolyte in aqueous solutions
-Electrical conductivity is good when molten

A

Ionic Compounds

17
Q

Which compound do these properties belong to:
-Gas, liquid, or solid
-soft when solid
-Low melting point, boiling point, and density
-Weak/nonelectrolyte in aqueous solutions
-Electrical conductivity is poor in its pure form

A

Molecular Compounds

18
Q

Which compounds do we add prefixes to?

A

Molecular Compounds

Chemistry 1A (9 decks)

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