What is the atomic symbol for the noble gas that also has this electron configuration 1s22s22p63s23p6

10-14. (a) when 100.0 ml of weak acid ha were titrated with 0.093 81 m naoh, 27.63 ml were required to reach the equivalence point. find the molarity of ha. (b) what is the formal concentration of a- at the equivalence point? (c) the ph at the equivalence point was 10.99. find pk. for ha. (d) what was the ph when only 19.47 ml of naoh had been added?

Which of these statements explains the difference between nuclear binding energy and the strong nuclear force ?

Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?