pls help needs to be done soon thxs

Valence Electrons: definition, how they increase across the Periodic table (periodic trend), and how they relate to both ionic and covalent bonding

Respuesta :

Answer:

Valence electrons are the electrons in the outermost shell, or energy level, of an atom.

Example:

Oxygen has six valence electrons, two in the 2s subshell and four in the 2p subshell.

is the electrons in the energy shell of an atom