asked 33.1k views
4 votes
Which pair of elements are in the same period on the periodic table?

А
Lithium & Sodium
B
Hydrogen & Potassium
C
Boron & Silicon
D
Sulfur & Argon

1 Answer

7 votes
a lithium and sodium
answered
User CamelCaseCowboy
by
8.1k points
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