Acertain element forms an ion with 54 electrons and a charge of +2. identify the element.

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.

The three types is stress that act on earths rocks are compression, tension, and

What are the constituent metals of stainless steel?