<span>Groups are vertical, numbered 1 through 18, and have similar properties, so answer D. Most of the properties of groups are defined by the outermost electron in the shells of the elements. Horizontal delineations in the Periodic Table are known as periods.</span>
Answer:
evapouration is a type of vaporization that occur on the surface of liquid as it change into the gas phase.
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Where are the following elements to choose from?