Challenge Question: Atoms on the periodic table are neutral. Determine the number of electrons and valence electrons Sodium (Na) has. Will sodium give
away the electron, take electrons or have not change? Explain your answer.

Need what is special about water as a compound? how does water regulate climate? what drives water evaporation?   why is the water vapor fresh water when it rises from the ocean? why might freshwater in the form of snow take longer to enter the water cycle again than liquid precipitation?   what is an aquifer? what role do people play in the water cycle? plz just answer as many as you can ! thx if you !

If 22.5 of nitrogen at 748 mm hg are compressed to 725 mm hg at constant temperature. what is the new volume?

Which of these natural resources is non-renewable a.corn b.wind c.geothermal d.natural gas