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Two hydrogen atoms share their electrons to form a hydrogen molecule mainly because each hydrogen atom needs

Question
Two hydrogen atoms share their electrons to form a hydrogen molecule mainly because each hydrogen atom needs
Two more electrons to complete its shell
One more electron to fill its K shell
To lose its only electron
To gain a proton
Answer
One more electron to fill its K shell
Detailed Explanation
Each hydrogen atom has one electron and needs just one more electron to fill its K shell, achieved by sharing.
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