The four quantum numbers for an atom refer to the state of the valence or outermost electron. For a potassium atom, the electron configuration is 1s22s22p63s23p64s1 , which means that n=4
The first one is some reaction with water even I am studying the same
Answer:
50CuS2 + 260HNO3 = 50Cu(NO3)2 + 100H2SO4 + 80N2O + 3H2O
Explanation:
im pretty sure the correct answer is A
It will explode.... I think
