5 Questions
Each shell can only hold a certain number of electrons, and the electrons fill the shells from the lowest energy to the highest energy. Within each shell, there are smaller regions or ______
subshells
The electrons fill the subshells according to some ______
rules
The electronic configuration of hydrogen is 1s^1, meaning that there is ______ electron in the 1s subshell.
one
The electronic configuration of carbon is 1s^2 2s^2 2p^2, meaning that there are ______ electrons in each of the 1s, 2s, and 2p subshells.
two
Each shell is named by letters ______, ______, ______, and ______.
s, p, d, f
Study Notes
Electronic Configuration
- Each shell can hold a certain number of electrons, which fill from lowest to highest energy.
- Within each shell, there are smaller regions called subshells.
- Electrons fill subshells according to the Aufbau principle.
Hydrogen Electronic Configuration
- The electronic configuration of hydrogen is 1s^1, meaning one electron is in the 1s subshell.
Carbon Electronic Configuration
- The electronic configuration of carbon is 1s^2 2s^2 2p^2, meaning there are two electrons in each of the 1s, 2s, and 2p subshells.
Shell Names
- Shells are named using the letters K, L, M, and N.
Test your knowledge on electron configuration and how electrons are arranged in different shells around an atom or molecule. Understand the concept of energy levels and learn about the specific number of electrons each shell can hold.
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