In which of the following elements is the least amount of energy required to remove the most
loosely bound electron from an atom in the gaseous
state?
A) Sr
B) Ar
C) Al
D C

Which element forms an ionic bond with flourine? 1) fluorine 2) carbon 3) potassium 4) oxygen

What is the mass of naoh that would have to be added to 500 ml of a solution of 0.20 m acetic acid in order to achieve a ph of 5.0?

Fill in the blanks for the following statements: the rms speed of the molecules in a sample of h2 gas at 300 k will be times larger than the rms speed of o2 molecules at the same temperature, and the ratio µrms (h2) / µrms (o2) with increasing temperature. a not enough information is given to answer this question b sixteen, will not change c four, will not change d four, will increase e sixteen, will decrease