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

One of the most common weaknesses of an experiment involves what

When seeking sensitive information, such as financial or sexual information, it is probably best to use _____?

A mixture of nacl and sucrose (c12h22o11) of combined mass 10.2 g is dissolved in enough water to make up a 250 ml solution. the osmotic pressure of the solutio

Who were some prominent authors during the 1930s?

On november 1, gentle company received a $3,000, 6%, three-month note receivable. the cash to be received by gentle company when the note becomes due is:

What function represents a horizontal shift of f(x)=5^x by 4 units to the right

What function represents a horizontal shift of f(x)=5^x by 4 units to the right

Perform the indicated calculation 6P3/11P4

The arena’s maths festival has been a success. It is decided that a quarter of the arena’s profits from this year’s festival will go towards hosting it again ne

Burger barn has been named as a plaintiff in a $5 million lawsuit filed by a customer over the addictive nature of the company's french fries. burger barn's att