Developing Metals Flashcards
1
Q
Give the electron configuration of a Colbalt and Chromium atom, using noble gas cores
A
• Co > [Ar] 4s2 3d7
• Cr > [Ar] 4s1 3d5
(Chromium and copper are anomalies!)
2
Q
When forming ions in the transition metals, electrons from which subshell are lost first?
A
The 4s subshell
