angelicagee1826 angelicagee1826

10-07-2018
Chemistry

contestada

When chromium loses two electrons, its configuration changes to A. [Ar]4s13d5. B. [Ar]3d4. C. [Ar]4s13d4. D. [Ar]4s1.

Respuesta :

hblack112 hblack112

29-07-2018

Chromium has the electron configuration [Ar]4s13d5 and exhibits oxidation numbers 2+, 3+, and 6+. When chromium loses two electrons, it forms the Cr2+ ion and has the configuration [Ar]3d4.

The Answer is B. [Ar]3d4

Answer Link

Otras preguntas

Provide the correct IUPAC name for Al2(CrO4)3

What is the probability that the random variable has a value greater than 4?

how can media get more income. explain with examples

Some Black volunteers fought on behalf of the Confederacy for which of the following reasons? Check ALL that apply. There are multiple answers! Group of answe

question is attached

A format is not bound by copyrights, trademarks, patents, or restrictions. A format is considered to be intellectual property, which means it is owned by an ind

the V.A.T of a country is 25% . a man bought an item at GH¢4500 vat inclusive. calculate the basic cost of the item

Do i look at the y or x intercept for axis of symmetry?

Diego made a scale drawing of a county park. The scale of the drawing was 1 inch = 3 yards. What scale factor does the drawing use

domain, range, intervals increase, decrease, left hand end , right hand end, evaluate