An isotope of the element fluorine has 9 protons and 10 neutrons. What is the name of this isotope?
fluorine

6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.

To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %

What is the vapor pressure of a solution with a benzene to octane?