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Chemistry > SI Units > Flashcards

SI Units Flashcards

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1
Q

Units are the ____________ or ____________ used to represent the results of an experiment.

A

Scale or Standard

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2
Q

The English/Imperial system is primarily used in ____________ (location).

A

The United States

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3
Q

The Metric system is used in ____________ (location).

A

Most of the of the Industrialized World (but not in the United States)

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4
Q

Examples of English/Imperial units

A

Inches, Feet, Pounds, and Degrees

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5
Q

Examples of Metric units

A

Meters, Grams, Liters

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6
Q

“SI” stands for what system?

A

Système Internationale or The International System

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7
Q

The SI system was created in ____________ (year) by an international agreement

A

1960

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8
Q

What characteristic of the SI system that makes it useful?

A

It is comprehensive

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9
Q

The SI system is derived from the ____________ system of measurement

A

Metric

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10
Q

Which SI base unit is the unit of Mass?

A

kilogram (kg)

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11
Q

Which SI base unit is the unit of Length?

A

meter (m)

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12
Q

Which SI base unit is the unit of Time?

A

second (s)

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13
Q

Which SI base unit is the unit of Temperature?

A

Kelvin (K)

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14
Q

Which SI base unit is the unit of Luminous Intensity?

A

Candela (Cd)

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15
Q

Which SI base unit is the unit of Quantity?

A

mole (mol)

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16
Q

Which SI base unit is the unit of Electrical current?

A

Ampere (A)

17
Q

What is the symbol for Kilogram?

A

kg

18
Q

What is the symbol for meter?

A

m

19
Q

What is the symbol for second?

A

s

20
Q

What is the symbol for Kelvin?

A

K

21
Q

What is the symbol for Candela?

A

Cd

22
Q

What is the symbol for mole?

A

mol

23
Q

What is the symbol for Ampere?

A

A

24
Q

What is one challenge we have in using SI base units alone?

A

Sometimes they are too large or too small to represent quantities appropriately

25
Q

What do we do to change an SI base unit’s size to better represent quantities?

A

Add a prefix, like “micro-“ or “Mega-“

26
Q

The symbol “kg” represents which SI base unit?

A

Kilogram (the unit of mass)

27
Q

The symbol “m” represents which SI base unit?

A

meter (the unit of length)

28
Q

The symbol “s” represents which SI base unit?

A

second (the unit of time)

29
Q

The symbol “K” represents which SI base unit?

A

Kelvin (the unit of temperature)

30
Q

The symbol “Cd” represents which SI base unit?

A

Candela (the unit of luminous intensity)

31
Q

The symbol “mol” represents which SI base unit?

A

mole (the unit of quantity)

32
Q

The symbol “A” represents which SI base unit?

A

Ampere (the unit of electrical current)

33
Q

Volume, Energy, and Density are examples of ____________ units in the SI system.

A

Derived

34
Q

Cubic Meter is a derived unit of ____________.

A

Volume

35
Q

Joules is a derived unit of ____________.

A

Energy

36
Q

Kilogram per meter squared is a derived unit of ____________.

A

Density

Chemistry (1 decks)

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