covalent bond and ionic bonds

pole compound dipole iodide hydrophobic carbon hydrophilic property element polarity formaldehyde distorted methane nonpolar hydrochloric dioxide moment electronegativity polar influence number school symmetry model dependent force physic theory study role distance scientific intermolecular fundamental central physics electronic surround linear van der waals nucleus pair repulsion attraction bonding atom diagram structure bond covalent vector molecular molecule science atomic chemical electron education formula positive charge negative interaction reaction chemistry share ionic valence energy oxygen hydrogen infographic geometry