Atomic number, Chemistry

Assignment Help:

A transition metal X   has a configuration [Ar] 3d4   in its +3 oxidation state. Its atomic number is:

(1) 25     

(2) 26     

(3) 22    

(4) 19

Ans: 25

 


Related Discussions:- Atomic number

Freons - halogen derivatives, Freons - Halogen Derivatives The chloro f...

Freons - Halogen Derivatives The chloro fluoro that is derivatives of  methane and ethane are called freons. Some of the derivatives are: CHF 2 Cl   (monochlorodifluoromethane)

Phosphorus, PHOSPHORUS, ARSENIC AND ANTIMONY The bigger elements in the ...

PHOSPHORUS, ARSENIC AND ANTIMONY The bigger elements in the same group (15) as nitrogen are usually known as 'pnictogens' and their compounds with metals as 'pnictides'. Althoug

How many electrons are in benzene, There are thirty (30) electrons in benze...

There are thirty (30) electrons in benzene. This contains 24 carbon electrons and 6 hydrogen electrons. There are 12 electrons shared among C and H, and 18 among C and C. (6 electr

Isoelectric point - physical characteristic of proteins, Isoelectric point ...

Isoelectric point - physical characteristic of proteins Each protein has a characteristic isoelectric point for which its ionisation is minimum. Such as amino acids, proteins,

Dihydric alcohol, Chemical properties of dihydric alcohol

Chemical properties of dihydric alcohol

Ion, How ion works?

How ion works?

How can a living cell control the position of second peak, Explain the two ...

Explain the two peaks in the diagram. How can a living cell control the position of the second peak to adapt the properties of its membrane to the demands of life? In blood, li

If an electron has spin quantum number, If an electron has spin quantum num...

If an electron has spin quantum number of +1/2  and a magnetic quantum number of -1  , it cannot be presented in an: (1) d -orbital (2) f -orbital (3) p -orbital (4)s-

Reichert-meissl value - analysis of oils and fats, Reichert-Meissl value o...

Reichert-Meissl value or R/M value - Analysis of oils and fats It points out the amount of steam volatile fatty acids exist in the oil or fat. It is illustarted as the number o

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