PERIOD: Horizontal rows that show the number of shells of Electrons an Atom has
GROUP: Vertical columns that show how many outer Electrons an Atom has
THE PERIODIC TABLE:
All Elements are arranged in the order of increasing Atomic Number from Left to Right
thanks a bunch
ReplyDeletePeriodic Table Elements Get all information periodic table elements,Atomic number and Atomic mass number.
ReplyDeletewait a minute so that's what Periods are! Thank you so much for the enlightenment!
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