Which trio of elements have the same number of valence electrons?
A. sodium (Na), hydrogen (H) and francium (Fr)
B. carbon (C), neon (Ne) and lithium (Li)
C. silicon (Si), arsenic (As) and boron (B)
D. iron (Fe), gallium (Ga) and helium (He)

Question

Which trio of elements have the same number of valence electrons?
	A.	sodium (Na), hydrogen (H) and francium (Fr)
	B.	carbon (C), neon (Ne) and lithium (Li)
	C.	silicon (Si), arsenic (As) and boron (B)
	D.	iron (Fe), gallium (Ga) and helium (He)

mikeymaximum · Answer

I HAVE 2 FINISH THIS TEST BY MIDNIGHT AND I'M ALMOST DONE...
BUT...
ITS PAST MY BED TIME (13) AND I NEED 2 GET DONE BEFORE MY DAD GETS HOME FROM WORK (WHICH IS SHORTLY)

mikeymaximum · Answer

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cuanchi · Answer

A

whpalmer4 · Answer

Look at the elements on your handy periodic table.  Elements with the same valence electron count will occupy the same column.