Iron sulfate, has the chemical formula Fe2SO4. How many atoms of each element are in this compound? A.2 iron, 4 sulfur, and 4 oxygen
B.2 iron, 1 sulfur, and 4 oxygen
C.6 iron, 1 sulfur, and 4 oxygen
D.6 iron, 4 sulfur, and 4 oxygen

Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what

When an object falls through the air and encounters air resistance its overall speed will be than if it had not encountered air resistance? (one word answer)

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.