Question 16 Multiple Choice Worth 2 points) Which of the following is an explanation of how the natural world works, based on experimentation? A. An analysis B. A law C. An opinion D. A theory

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.

It shows that the experiment is designed properly.

Non metal is an element or substance that is not a metal metal is a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivitymetalloid is an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.