Which atom could join together form a molecule of an element

A. it acts on all objects all the time. mark as brainliesg

Determine the  wavelength of light emitted when an electron  in an li2+ ion  makes a transition from an orbital with n  =  6 to an orbital with n  = 5.

A) the enthralling of formation for pure element in its standard state is always positivehope this : )

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