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There and attraction between metals, ions and electrons, metallic bonds allows electrons to move freely though the metal, valance electrons can swim, The positive metal ions are in fixed position, Negative electrons are free to move.the metallic are ductile, malleable and conductive.

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Electrons are shared in a coalent bond, A molecule is a collection of atom,
A covalent bond forms when atoms shared one or more pairs of electrons. covalent compound form molecules, form between non metals, brittle solids and high melting points, the protons they shared electrons a track one another,

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Ionic bonds occur when one atom gives an electron to another atom electrons behaving like a wave
The atom that loses an electron becomes Positively charged
The atom that gains an electron becomes Negatively charged
Ionic compounds are bonded so that they form a crystal lattice.

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a chemical bond is the joining of atoms  to form a new substance.the bond that forms when two atoms is called a chemical bond. chemical bond form when electrons in atoms interact. atom can lose or gain, lose or share electrons to form a chemical bonds .
atoms form chemical bonds when their electrons interact with one another.building and breaking chemical bonds is part of the energy cycle, and one of the only ways we have to generate energy.