An atom that has fewer neutrons than protons and more electrons than protons is a(n)
ion.

The electron configuration for chromium is 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 3 d 5 4 s 1 instead of 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 3 d 4 4 s 1 . the configuration is an exception to the

Which of the following mining methods disrupts the sea floor?

Name the element in group 17, period 2. (periodic table)