Ammonia, NH3, is held together by covalent bonds (sharing of electrons). The electronegativity of Nitrogen is 3.04 and the electronegativity of H is 2.20. Explain if this molecule has polar covalent bonds or nonpolar covalent bonds. Be sure to support your claim with evidence and reasoning

Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife

Describe the interaction that occurs between two objects with the same electrical charge.

This flow chart shows the amount of energy that is emitted by each type of light. ultraviolet > blue light > yellow light > red light (maximum energy) (minimum energy) in an experiment, shining which type of light on a strip of metal would be least likely to produce the photoelectric effect? ultraviolet light dim blue light bright red light bright yellow light