Homework Help: Chemistry

Posted by danny123 on Thursday, November 11, 2010 at 4:32pm.

Which element requires the least amount of energy to remove the loosely held electron from a gaseous atom in the ground state?

a. bromine
b. calcium
c. sodium
d. silver

How do you know?

Chemistry - DrBob222, Thursday, November 11, 2010 at 5:05pm
You can look them up here. Click on the element, then scroll down the left side of the page to "electronic shell properties"

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