Asked by danny123

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?
Answered by DrBob222
You can look them up here. Click on the element, then scroll down the left side of the page to "electronic shell properties"
Answered by Jay
Calcium
Answered by Anonymous
calcium
Answered by Anonymous
Ca
Answered by Anonymous
Ca
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