- August 2015?

Discover Questions

Which of the following have different electron configuration ?
A) 19K^(+1)
B) 20Ca^(+2)
C) 18Ar
D) 16S^(2)
E)17Cl^(-1)? If elements in the periodic table had personality, what would be Silicon? MATH PROBLEM...Solve and round to 3 decimals: ln(x+2) - ln(3x-1) = 5? Help with this question please
physics? What is the area of a parallelogram whose vertices are A(-12, 2), B(6, 2), C(-2, -3), D(-20,-3)?