BTEC Applied Science Chemistry Comprehensive Exam And Actual Answers 2024.

How many electrons can an s subshell hold? - Answer 2 How many electrons can a p subshell hold? - Answer 6 How many electrons can a d subshell hold? - Answer 10 Which subshells are available in the first energy level? - Answer s Which subshells are available in the second energy level? - Answer s and p Which subshells are available in the third energy level? - Answer s, p and d What is Hund's rule? - Answer Orbitals must all be singly filled before they can be doubly occupied Which elements do not fill the 4s subshell before the 3d subshell? - Answer Copper and chromium Define the term ionic bond - Answer The electrostatic attraction between oppositely charged ions What is the charge of an ion from group 1? - Answer +1 What is the charge of an ion from group 2? - Answer +2 What is the charge of an ion from group 6? - Answer -2