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

Structure and bonding in solids-crystals and glasses, Crystals and glasses ...

Crystals and glasses   Unlike a complex ion or molecule, which is a finite (often small) assembly of atoms, a solid has no fixed shape and size but can add atoms indefinit

Ammonical smell, how can we identify the ammonical smell and punjent smell?...

how can we identify the ammonical smell and punjent smell?

Thermodynamics, Given that dH for the reaction is -92.2 kJ mol-1, which is ...

Given that dH for the reaction is -92.2 kJ mol-1, which is larger, the total bond dissociation energy of the reactants or the total bond dissociation energy of the products?

Hubles test, how hubles reagent is prepared? if direct solution is not avai...

how hubles reagent is prepared? if direct solution is not avaible

How is aniline obtained from benzene, (a) How is aniline obtained from benz...

(a) How is aniline obtained from benzene? (b) Why are the secondary amines more basic than primary amines? Describe. (c) Write the complete chemical reactions for the convers

There is no difference between a2p and a 3p orbital, There is no differe...

There is no difference between a2p and a 3p  orbital regarding: (1) Shape (2)Size (3)Energy (4) Value of Ans: Shape

Urea, Solubility of urea

Solubility of urea

Chemical bonding, When NaCl is dissolved in water, the sodium ion become

When NaCl is dissolved in water, the sodium ion become

Scale formation and sludge formation in boilers, Q. Explain scale formation...

Q. Explain scale formation and sludge formation in boilers. How are they formed?     Ans Boilers are used for steam generation. When hard water is evaporated, progressively

Physical properties of amino acids, Physical properties of Amino acids ...

Physical properties of Amino acids (a) Amino acids are colourless, crystalline substances comprising sweet taste. They melt along with decomposition at higher temperature (much

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