dabestnoob54
Answered

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1) What is a column called in the periodic table and what do the
elements in each column have in common?
A)
period; the same atomic mass
B)
group; the same number of electrons
C) period; the same number of atomic orbitals
D) group; the same number of valence electrons

Sagot :

teramagruhama

Answer:

D.group;the same number of valence electron

Explanation:

for eg O It Has 8 Atomic No 2,6

S It Has 16 Atomic No 2,8,6

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