Ch. 1 - International System of Units - SI units

All ___________ prefix symblos are lower case letters

submultiple

Prefix _______ are printed in roman upright type

symbols

Each physical quantity has ____ ___ ________ __ ____, even if this unit can be expressed in _________ _____

- ... only one coherent SI unit - ... different forms

_______ units are defined as products of power of the ____ _____

- DERIVED -BASE UNITS

With the exception of __ ____, _ _____, and _ ____ all ________ prefix symbols are capital letters

- da deka - h hecto - k kilo -multiple

The number of _______ __________ of interest in science and technology can, of course, be extended _______ limit

- derived quantities - without

Non-SI units that are accepted for use with the SI

- minute [min] => time - liter [L] => volume - metric ton [t] => mass

Examples of SI coherent derived units whose names and symbols include SI coherent derived units with special names and symbols

- newton per meter [N/m] => surface tension - katal per cubic meter [kat/m3]

International System of Units (abbreviated SI)

-Is the modern form of metric system of measurement -is the world's most widely used system of units of measurement

The mole is the amount of _________ of a system which contains as many elementary entities as there are atoms in 0,012 kilogram of ______ __ It's symbol is ___

-substance -carbon 12 -mol

The SI consists of:

1. Set of coherent SI units: 1.A: 7 BASE UNITS of the SI 1.B: UNLIMITED NUMBER of coherent DERIVED units of the SI 2. the set of PREFIXES

Decimal multiples and submultiples of SI units, ranging from __ to __

10^24 to 10^-24

Prefixes _____ combined each other

NEVER

[true / false] :It is not possible to provide a complete list of derived quantities and derived units

TRUE

Prefix names and symbols are used with a number of non-SI units, but thez are never used with units of ____: minute, min; hour, h; day, d.

Time

[true / false]Among the base units of the international system, the kilogram is the only one whose name and symbol include a prefix

True

Multiples and submultiples (fractions) of the kilogram are names as though the ____ was the base unit

gram