<span>A cation is an atom that loses a valence electron. When a valence electron is released there is one electron less to create a repulsive force. The loss of a repulsive force will allow the atom to pull tighter together. An anion would therefore be larger in size due to increased repulsion of the valence electrons.</span>
A chemical bond is <span> lasting attraction between atoms that enables the formation of </span>chemical <span>compounds. </span>
Answer:
They give off their own light energy
Explanation:
I'm taking astronomy and I answered this questions not too long ago
A shared derived characteristics is usually a homologous structure, such as a backbone, that is shared by all organisms in a group.
