1. Using the structured blocks, you can work out the electronic configurationof any element using the Periodic Table. Oxygen is the 4th element in the 2p-block. What would be its electonic configuration?
- (^ indicates subscript) 1s^2 2s^2 2p^4
- 1s^2 2s^2 2p^6
- 1s^2 2s^2 2p^3
- 1s^2 1s^2 2p^4
1 of 12
Other questions in this quiz
2. What would be the electronic configuration of an iron Fe, atom and an iron 2+ ion, Fe2+?
- Atom: 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^6 Fe2+ ion: 1s^2 2s^2 2p^6 3s^2 3p^6 3d^6
- Atom: 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^6 Fe2+ ion: 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^4
- the electronic configuration of an iron atom would be the same as that of an iron 2+ ion
3. When negative ions are formed, what happens to the electrons in the highest energy orbitals?
- the number of electrons is doubled
- electrons are added
- the number of electrons stays the same
- electrons are removed
4. The Periodic Table is structured in blocks of 2,6,10 and 14 elements, linked to....
5. How can the electronic configuration be abbreviated?
- to show the last half of its electronic configuration
- to show just the outer shell of the element
- it can not be abbreviated
- to show just the inner shell of the element
Similar Chemistry resources: