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2nd Semester Chapter 3 Section 2 & 3 > Chapter 3 Section 3 > Flashcards

Chapter 3 Section 3 Flashcards

1
Q

Acids are made of one or more Hydrogen ions and a _____ ion.

A

Negative.

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2
Q

The negative ion in an acid may be a _______ or a _______ ion.

A

Nonmetal

Polyatomic

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3
Q

_____ ions are the key to the reactions of acids.

A

Hydrogen

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4
Q

An acid is any substance that produces _____ ions in water.

A

Hydrogen

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5
Q

The _____ of bases give you clues to what ions they have in common.

A

Formulas

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6
Q

Many bases are made of metals combined with _____ ions.

A

Hydroxide

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7
Q

The Hydroxide ion (OH-) is a negative ion made of _____ and _____.

A

Oxygen and hydrogen

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8
Q

A ___ is any substance that produces Hydroxide Ions (OH-) in water.

A

Base

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9
Q

The strength of acids and bases refers to how well an acid or base produces _____ in water.

A

Ions

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10
Q

The pH scale is a range of values from 0 to 14. It is a ____ scale and expresses the concentration of ____ ions in a solution.

A

Numeric

Hydrogen

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11
Q

T or F: Hydrochloric Acid is highly basic.

A

False - it is highly acidic.

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12
Q

T or F: Water is an example of a 14 pH.

A

False. It’s about a 7. Very Neutral

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13
Q

Normal rainfall is slightly acidic with a pH of approximately ____.

A

5.5

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14
Q

_____ rain is more acidic than normal rainwater.

A

Acid

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15
Q

Acid rain has a pH as low as ____ to ____.

A

3.5 to 3.0

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16
Q

The extra acidity in Acid Rain comes from _____ oxides and _____ oxides which are released into the air as pollutants from industry and motor vehicles.

A

Nitrogen

Sulfur.

17
Q

In acid rain, the oxides react with water in the air to produce ______ include nitric acid and sulfuric acid.

A

Acids

18
Q

Rainwater containing nitric acid and sulfuric acid has more _____ ions and a (lower/higher) pH and is (more/less) corrosive.

A

Hydrogen
Lower
More

19
Q

If you mix Hydrochloric Acid with Sodium Hydroxide you get _____ ______ or (sodium chloride) and water.

A

Table Salt

20
Q

A reaction of a base and an acid is called______.

A

Neutralization.

21
Q

A neutralization reaction produces water and a ______.

A

Salt

22
Q

To a chemist, the word “salt” refers to a specific group of _______.

A

Compounds

23
Q

A _______ is any ionic compound made from the neutralization of an acid with a base.

A

Salt.

24
Q

A salt is made from the ____ ion of a base and the ____ ion of an acid.

A

Positive ion of base and negative ion of an acid.

25
Q

A Hydrogen ion is an atom that has lost its _____.

A

Electron.

2nd Semester Chapter 3 Section 2 & 3 (2 decks)

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