Simple Covalent Giant Covalent Isolated molecules with weak forces between molecules Repeating 3D structure with strong bonds between atoms Strong bonds between atoms, electrons are shared Strong bonds between atoms, electrons are shared Low melting points, gases and liquids at room temp High melting points, always solid at room temp Don’t conduct electricity Most don’t conduct electricity (except graphite) Conduct heat Regular crystal arrangement Iodine Diamond Simple Covalent Giant Covalent Isolated molecules with weak forces between molecules Repeating 3D structure with strong bonds between atoms Strong bonds between atoms, electrons are shared Strong bonds between atoms, electrons are shared Low melting points, gases and liquids at room temp High melting points, always solid at room temp Don’t conduct electricity Most don’t conduct electricity (except graphite) Conduct heat Regular crystal arrangement Iodine Diamond Simple Covalent Giant Covalent Isolated molecules with weak forces between molecules Repeating 3D structure with strong bonds between atoms Strong bonds between atoms, electrons are shared Strong bonds between atoms, electrons are shared Low melting points, gases and liquids at room temp High melting points, always solid at room temp Don’t conduct electricity Most don’t conduct electricity (except graphite) Conduct heat Regular crystal arrangement Iodine Diamond Simple Covalent Giant Covalent Isolated molecules with weak forces between molecules Repeating 3D structure with strong bonds between atoms Strong bonds between atoms, electrons are shared Strong bonds between atoms, electrons are shared Low melting points, gases and liquids at room temp High melting points, always solid at room temp Don’t conduct electricity Most don’t conduct electricity (except graphite) Conduct heat Regular crystal arrangement Iodine Diamond Simple Covalent Giant Covalent Isolated molecules with weak forces between molecules Repeating 3D structure with strong bonds between atoms Strong bonds between atoms, electrons are shared Strong bonds between atoms, electrons are shared Low melting points, gases and liquids at room temp High melting points, always solid at room temp Don’t conduct electricity Most don’t conduct electricity (except graphite) Conduct heat Regular crystal arrangement Iodine Diamond Simple Covalent Giant Covalent Isolated molecules with weak forces between molecules Repeating 3D structure with strong bonds between atoms Strong bonds between atoms, electrons are shared Strong bonds between atoms, electrons are shared Low melting points, gases and liquids at room temp High melting points, always solid at room temp Don’t conduct electricity Most don’t conduct electricity (except graphite) Conduct heat Regular crystal arrangement Iodine Diamond Simple Covalent Giant Covalent Isolated molecules with weak forces between molecules Repeating 3D structure with strong bonds between atoms Strong bonds between atoms, electrons are shared Strong bonds between atoms, electrons are shared Low melting points, gases and liquids at room temp High melting points, always solid at room temp Don’t conduct electricity Most don’t conduct electricity (except graphite) Conduct heat Regular crystal arrangement Iodine Diamond Simple Covalent Giant Covalent Isolated molecules with weak forces between molecules Repeating 3D structure with strong bonds between atoms Strong bonds between atoms, electrons are shared Strong bonds between atoms, electrons are shared Low melting points, gases and liquids at room temp High melting points, always solid at room temp Don’t conduct electricity Most don’t conduct electricity (except graphite) Conduct heat Regular crystal arrangement Iodine Diamond Simple Covalent Giant Covalent Isolated molecules with weak forces between molecules Repeating 3D structure with strong bonds between atoms Strong bonds between atoms, electrons are shared Strong bonds between atoms, electrons are shared Low melting points, gases and liquids at room temp High melting points, always solid at room temp Don’t conduct electricity Most don’t conduct electricity (except graphite) Conduct heat Regular crystal arrangement Iodine Diamond Simple Covalent Giant Covalent Isolated molecules with weak forces between molecules Repeating 3D structure with strong bonds between atoms Strong bonds between atoms, electrons are shared Strong bonds between atoms, electrons are shared Low melting points, gases and liquids at room temp High melting points, always solid at room temp Don’t conduct electricity Most don’t conduct electricity (except graphite) Conduct heat Regular crystal arrangement Iodine Diamond Simple Covalent Giant Covalent Isolated molecules with weak forces between molecules Repeating 3D structure with strong bonds between atoms Strong bonds between atoms, electrons are shared Strong bonds between atoms, electrons are shared Low melting points, gases and liquids at room temp High melting points, always solid at room temp Don’t conduct electricity Most don’t conduct electricity (except graphite) Conduct heat Regular crystal arrangement Iodine Diamond Simple Covalent Giant Covalent Isolated molecules with weak forces between molecules Repeating 3D structure with strong bonds between atoms Strong bonds between atoms, electrons are shared Strong bonds between atoms, electrons are shared Low melting points, gases and liquids at room temp High melting points, always solid at room temp Don’t conduct electricity Most don’t conduct electricity (except graphite) Conduct heat Regular crystal arrangement Iodine Diamond Simple Covalent Giant Covalent Isolated molecules with weak forces between molecules Repeating 3D structure with strong bonds between atoms Strong bonds between atoms, electrons are shared Strong bonds between atoms, electrons are shared Low melting points, gases and liquids at room temp High melting points, always solid at room temp Don’t conduct electricity Most don’t conduct electricity (except graphite) Conduct heat Regular crystal arrangement Iodine Diamond Simple Covalent Giant Covalent Isolated molecules with weak forces between molecules Repeating 3D structure with strong bonds between atoms Strong bonds between atoms, electrons are shared Strong bonds between atoms, electrons are shared Low melting points, gases and liquids at room temp High melting points, always solid at room temp Don’t conduct electricity Most don’t conduct electricity (except graphite) Conduct heat Regular crystal arrangement Iodine Diamond Simple Covalent Giant Covalent Isolated molecules with weak forces between molecules Repeating 3D structure with strong bonds between atoms Strong bonds between atoms, electrons are shared Strong bonds between atoms, electrons are shared Low melting points, gases and liquids at room temp High melting points, always solid at room temp Don’t conduct electricity Most don’t conduct electricity (except graphite) Conduct heat Regular crystal arrangement Iodine Diamond Simple Covalent Giant Covalent Isolated molecules with weak forces between molecules Repeating 3D structure with strong bonds between atoms Strong bonds between atoms, electrons are shared Strong bonds between atoms, electrons are shared Low melting points, gases and liquids at room temp High melting points, always solid at room temp Don’t conduct electricity Most don’t conduct electricity (except graphite) Conduct heat Regular crystal arrangement Iodine Diamond
