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Mathematics 21 Online
OpenStudy (anonymous):

hy do elements in a vertical column of the periodic table have similar chemical properties? A.<---------? They possess the same number of outermost electrons. B. They have similar physical characteristics. C. They are found in similar locations in nature. D. They have similar atomic masses.

OpenStudy (anonymous):

my guess is A

mathslover (mathslover):

Correct. But is it a guess or do you have the reason for saying that?

OpenStudy (anonymous):

i did some research but i wasnt sure about my answer

mathslover (mathslover):

Okay! Good Luck.

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