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any substance that occupies space and has mass.
elements whose valence electrons are accommodated in the d orbitals.
a lobe-shaped orbital in which electrons may move. There are 3 p orbitals per energy level from...
a proton that forms a coÂordinate covalent bond with a water molecule H3O+
the process of separating bonded atoms from each other. The stronger the bond the more stable...