Seudónimo Seudónimo

02-06-2015
Chemistry

contestada

Explain, in terms of electrons, why the radius of a calcium ion is smaller than the radius of a calcium atom.

Respuesta :

lulu1991 lulu1991

02-06-2015

Because the calcium ion donates two electrons to achieve the stable state. So the layer of electrons decrease form 4 layers(2,8,8,2) to 3 layers(2,8,8). Thus, the radius of a calcium ion is smaller than a calcium atom.

Answer Link

Otras preguntas

Choose the group of words in which all are spelled correctly. A. aclaimed, exquisite, fundamentaly B. accommodate, discipline, scavenge C. aparition, expedit

make me lyrics for diss track on haters

when may fertilization of an egg occur

What does Arachne want in the passage? to be thought of as a better weaver than Athena to be challenged to a contest by Athena to be respected for her weaving b

How do these lines of "The Battle of Dorking" catch a reader's attention?

One of your friends tells you, "I didn’t like the environmental-awareness presentation today. First of all, it was too long, not to mention the person that gave

Find each rate and unit rate. 420 miles in 7 hours

Let $x=5$, $y=\frac{3}{4}$, and $z=-\frac{1}{7}$. What is $\frac{xz}{y}?$

White Lion Homebuilders is considering investing in a one-year project that requires an initial investment of $475,000. To do so, it will have to issue new comm

state three differences between indoor and outdoor activities