General Chemistry Flashcards

1
Q

What is a positively charged ion called?

A

Cation

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2
Q

What is a negatively charged ion called

A

Anion

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3
Q

What is an atom with any charge called

A

Ion

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4
Q

What is a bond formed between anions and cations?

A

Ionic bond

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5
Q

What is the term used by chemists to describe the number of bonds that an atom forms in a compound

A

Valences

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6
Q

Bond formed by atoms that share a pair of electrons

A

Covalent bond

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7
Q

Number of protons or electrons in a neutral atom

A

Atomic number

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8
Q

Neutral particle that’ is composed of two or more atoms joined together by covalent bonds

A

Molecule

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9
Q

What are the horizontal rows in the periodic table called?

A

Periods

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10
Q

What are the vertical rows in the periodic table called

A

Groups

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11
Q

What is a molecule that contains 2 atoms?

A

Diatomic molecule

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12
Q

What is the name for NaCl

A

Sodium chloride

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13
Q

What is the name for CO

A

Carbon monoxide

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14
Q

What is the formula for tetraphosphorus pentasulfide

A

P4S5

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15
Q

What is the formula for disilicon hexaflouride

A

Si2F6

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16
Q

What is the prefix for 1

A

Mono

17
Q

What is the prefix for 2

A

Di

18
Q

What is the prefix for 3

A

Tri

19
Q

What is the prefix for 4

A

Tetra

20
Q

What is the prefix for 5

A

Penta

21
Q

What is the prefix for 6

A

Hex

22
Q

What is the name of Ba(NO3)2

A

Barium nitrate

23
Q

What is the name of K2SO4

A

Potassium sulfate

24
Q

Is this compound ionic or molecular?

Sodium sulfide

A

Ionic

25
Q

Is this compound ionic or molecular

SO3

A

Molecular

26
Q

The indicators of chemical change are?

A

A new colour appears

Heat is produced or absorbed

A gas is produced

A precipitate forms

The reaction is hard to reverse

27
Q

An unknown element has four shells and two valence electrons which element is it

A

Calcium

28
Q

How many valence electrons does fluoride have and what is its charge?

A

7 valence electrons and -1 charge

29
Q

What is pH?

A

A measure of how acidic or basic a solution is

30
Q

What is the pH scale?

A

a numerical scale ranging from 0 to 14
that is used to compare the acidity of solutions

31
Q

What would a pH level of 7 be called

A

Neutral

32
Q

Classify each of the following as highly acid, slightly acidic, neutral,
slightly basic or highly basic:

A solution with a pH of 13

A solution with a pH of 6

A solution with a pH of 1

The moisture of your skin

Water in a swimming pool (ideally)

A

highly basic

slightly acidic

highly acidic

slightly acidic (4.5 to 6.0)

slightly basic