questions on periodic tables..?
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what is periods and what is groups
where are mettaloids
what is that zigzag line
why are alcanides and lanthanides in other group
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Questions on p e r i o d i c t a b l e s are below:-
1) The atomic number of an atom is the number of ______ in the atom's nucleus.
2) Elements in the same column of the Periodic Table have what in common?
3) What are the horizontal rows of the Periodic Table called?
4) What family of elements is in the right-most column of the Periodic Table?
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