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

Convert the given base ten numeral into a numeral in base two.

two important of development

Was foreign policy after World War II focused more on collaboration or competition between the world's superpowers? After the Second World War, only the U.S. an

A school plans on taking the 8th and 9th graders to Cedar Point. Each student would need to pay $90 to participate for the trip. Each ticket was going to cost $

the derivative of a sum of two functions is different than the sum of the derivatives of thw two functions?

A group of generally pleasant or peaceful words meant to take the place of harsher, blunter statements is called: a slang term. an idiom. a euphemism. an oxymor

The manager of the dairy section of a large supermarket chose a random sample of 250 egg cartons and found that 30 cartons had at least one broken egg. let p de

For A do I put 4 or put 4^2 (16)?

h e l p p l e a s e

what were the goals of the french revolution? check all that apply. A. writing a constitution, B. ending absolute rule, C. lowering taxes for the rich, D. prote