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Hydrogen has been placed at the top of the first column of the periodic table. Hydrogen does not share most of the properties of elements in this column. Hydrogen is placed in this position partly because it does share one property with these elements, an outermost shell that contains —

A. zero valence electrons
B. one valence electron
C. Two valence electrons
D. three valence electrons​

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Josiedagirl

Answer:

I wanna say B, but no promises. this isn't really my strong suit.

Baraq

Considering the description in the question, hydrogen is placed in this position partly because it does share one property with these elements, an outermost shell that contains "one valence electron."

This is because chemical elements are placed or categorized based on their metals, metalloids, and nonmetallic properties in the periodic tables.

Some other chemical elements that have one valence electron are lithium and sodium.

Hence, in this case, the correct answer is option B. "one valence electron."

Learn more here: https://brainly.com/question/21938331

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