What is base units, Chemistry

Assignment Help:

Q. What is Base units?

There are seven base units given in SI. A base unit is a unit of calculate that is based on an object or event in the physical world. Lists of the seven SI base units their abbreviations and the quantities they are used to measure.

SI Base Units

 

Time

second (s)

Length

meter (m)

Mass

kilogram (kg)

Temperature

kelvin (K)

Amount of a substance

mole (mol)

Electric current

ampere (A)

Luminous intensity

candela (cd)

SI is based on a decimal system consequently are the prefixes in next table which are used to extend the range of SI units.

750_What is Base units.png

 


Related Discussions:- What is base units

Identical non-metal atoms has a pair of electrons, The bond between two ide...

The bond between two identical non-metal atoms has a pair of electrons: (1) Unequally shared between the two (2)  Transferred fully from one atom to another (3) With iden

Chemical kinetics of the peroxodisulfate ion, Chemical Kinetics of the Pero...

Chemical Kinetics of the Peroxodisulfate Ion The peroxodisulfate  ion is one of the strongest oxidants that are  called, although the oxidation reaction is relatively slow.

The energy of a radiation of wavelength, The energy of a radiation of wavel...

The energy of a radiation of wavelength 8000 Å is E 1  and energy of a radiation of wavelength 16000 Å is E 2 . What is the relation between these two: (1) E 1 =6E 2

Halides has maximum melting point, Which of the following halides has maxim...

Which of the following halides has maximum melting point: (1) NaCl    (2)  NaBr                          (3)  Nal                                                   (4

Calculate temporary, Q. A sample of water on analysis was found to contain ...

Q. A sample of water on analysis was found to contain the following analytical data: Mg (HCO 3 ) 3 = 16.8mg/L, MgCl 2 = 19mg/L, Mg (NO 3 ) 2 = 29.6 ppm, CaCO 3 = 20 p

The magnetic quantum number specifies, The magnetic quantum number specifie...

The magnetic quantum number specifies : (1) Size of orbitals (2) Shape of orbitals (3) Orientation of orbitals (4) Nuclear stability Ans:   Orientation of orbitals

Quantitative analysis - estimation of elements, Quantitative analysis - Est...

Quantitative analysis - Estimation of Elements After qualitative analysis of elements, the another step in the determination of molecular formula of an organic compound is

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd