10/7/22 - Molecules and Ions Flashcards

1
Q

What does a binary ionic compound consist of?

A

2 monoatomic ions

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2
Q

Which types of elements tend to form ionic compounds?

A

Metals and nonmetals

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3
Q

Which types of elements tend to form covalent compounds?

A

Nonmetals with each other

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4
Q

What is ZnBr2

A

Zinc bromide. This is an ionic compound because it combines a metal with a nonmetal.

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5
Q

What is the empirical formula for copper (II) oxide?

A

CuO because a Cu^2+ cation combines with a O^2- anion.

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6
Q

Empirical formula for carbonate

A

CO3^2-

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7
Q

Name of NO3^-

A

Nitrate

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8
Q

Empirical formula for phosphate

A

PO4^3-

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9
Q

Name of SO4^2-

A

Sulfate

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10
Q

Empirical formula for chlorate

A

ClO3^-

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11
Q

Name of BrO3^-

A

Bromate

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12
Q

Empirical formula for iodate

A

IO3^-

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13
Q

Name of ClO2^-

A

Chlorite

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14
Q

Empirical formula for perbromate

A

BrO4^-

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15
Q

Name of PO^-

A

Hypophosphite

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16
Q

Is a molecule covalent or ionic?

A

Covalent. An ionic compound is not and does not have a molecule

17
Q

NH4^+

A

Ammonium

18
Q

H3O^+

A

Hydronium

19
Q

OH^-

A

Hydroxide

20
Q

CO3^2-

A

Carbonate

21
Q

What is the prefix for 4 atoms in a binary covalent compound?

A

Tetra

22
Q

What is the prefix for 5 atoms in a binary covalent compound?

A

Penta

23
Q

What is the prefix for 6 atoms in a binary covalent compound?

A

Hexa

24
Q

What is the prefix for 7 atoms in a binary covalent compound?

A

Hepta

25
Q

What is N2O4

A

Dinitrogen tetroxide. This is a covalent compound (molecule) because it’s between 2 nonmetals

26
Q

What is a binary acid solution?

A

The product of gas compounds dissolving in water.

27
Q

How do you name a binary acid solution?

A
  1. Prefix hydro
  2. Anion nonmetal root
  3. Suffix -ic and acid
    HCl = hydrochloric acid
28
Q

What are oxacids?

A

Compounds with hydrogen and an oxoanion.

29
Q

How do you name oxacids?

A

The -ate in the anion becomes -ic
The -ite in the anion becomes -ous
HBrO4 = perbromic acid, HBrO2 = bromous acid