How many protons are in the nucleus of an atom with an atomic number of 20

20

Explanation: The atomic number is the number of protons that are in the core of an atom. The atomic number is the same as your number of protons so if we know our atomic number is 20, there are 20 protons.

answeridentity;

a). in this case, dh> 0 and sd> 0. if t becomes larger, the term "-tds" will become more negative. at some point, it is possible that -dts will be more negative than the dh is positive, and the reaction will become spontaneous. this is probably the correct answer, but you should look at all of the other possibilities and make sure of that.