Structure

Structure Shells that Contain Electrons First: 2 Second: 8 Third:2 Atomic Number: || 12 || Mass: || 24.305amu || **Isotopes**
 * The Atomic Structure of Magnesium
 * Atomic
 * Atomic Weight: || 24.305 ||
 * Atomic Radius: || 173pm ||
 * Protons: || 12 ||
 * Electrons: || 12 ||
 * Neutrons: || 12 ||
 * **Isotope** || **Half Life** ||
 * **Mg-24** || **Stable** ||
 * **Mg-25** || **Stable** ||
 * **Mg-26** || **Stable** ||
 * **Mg-27** || **9.45 minutes** ||
 * **Mg-28** || **21.0 hours** ||