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

Ethanol used as an solvent in substitution reactions, why is ethanol used a...

why is ethanol used as an solvent in substitution reactions? ethanol is used as an solvent because it is soluble in water and also it is more reacive.... Ethanol is used u

Determine the ionisation potential of a hydrogen atom, The ionisation poten...

The ionisation potential of a hydrogen atom is -13.6 eV. What will be the energy of the atom corresponding to n= 2 . (1) -3.4 eV           (2)-6.8 eV      (3) -1.7 eV

Which electronic configuration is not observing the ( n+ 1), Which electron...

Which electronic configuration is not observing the ( n+ 1) rule: (1) 1s 2 , 2s 2 , 2p 6 , 3s 2 , 3p 6 , 3d 1 , 4s 2                (2) 1s 2, sp 2 , sp 6 , 3s 2 , 3p 6 , 3

Borazine, Reaction of ammonia with diborane at 475K gives a compound B3N3H6...

Reaction of ammonia with diborane at 475K gives a compound B3N3H6 known as borazine or borazole: Borazine is best prepared by reducing B-trichloroborazme with sodium borohy

Alcohols, Preparation of dihydric alcohols

Preparation of dihydric alcohols

Show the oxoacids of sulphur, Q. Show the Oxoacids of Sulphur? As you k...

Q. Show the Oxoacids of Sulphur? As you know, oxoacid is an acid in which the ionisable hydrogen atom is bonded, through an oxygen atom to the central nonmetal atom, e.g., E-OH

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