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

List five kinds of cases that come under the judicial power of the United States courts.

Write the name of a shape that has no sides and no vertices

Stan works on an assembly line. What effective and appropriate approach would he be wise to use when coping with minor frustrations like hang-ups on a conveyor

Which of the following statements is not true?"Whom" can serve as the object of a preposition."Whom" is an object pronoun."Who" and "whom" are personal pronouns

help me with this french hw plzz

plz helpp with this french hw!

If five slices of pizza cost $5.50, how much do two slices cost? Ten slices? Half a slice ?

What numbers add up to -5 and multiply to get -90

what are three physical properties of aluminum foil

Which words in this sentence are common nouns? Aztec crops, such as corn and beans, were unknown in Europe. Choose all answers that are correct. A. Aztec B. c