Question

Give the electron configurations of hydrogen, boron, carbon, nitrogen, oxygen, and fluorine (write with noble gas notation)

Answer 1

Electron configurations describe the distribution of electrons in an atom's orbitals and determine chemical properties. Hydrogen's configuration is
`1s¹` , and for elements such as boron through fluorine, the configurations start with a helium core ([He]) and add electrons in the
`2s and 2p` orbitals following Hund's rule.

Step-by-step explanation:

The electron configurations of hydrogen, boron, carbon, nitrogen, oxygen and fluorine can be described using the noble gas notation and the Aufbau principle which dictates the order in which electrons populate atomic orbitals based on their energy. Electron configurations are particularly important in understanding the chemical properties and bonding behavior of elements.

Here are the electron configurations for each element:

• 
  `Hydrogen (H): 1s¹`
• 
  `Boron (B): [He] 2s² 2p¹`
• 
  `Carbon (C): [He] 2s² 2p²`
• 
  `Nitrogen (N): [He] 2s² 2p³`
• 
  `Oxygen (O): [He] 2s² 2p⁴`
• 
  `Fluorine (F): [He] 2s² 2p⁵`

These configurations indicate that hydrogen has a single electron in the
`1s` orbital while boron through fluorine have their electrons in the
`2s` and
`2p` subshells following the order predicted by Hund's rule where each orbital is singly occupied before any orbital is doubly occupied.