4. write the formula and the name of the substance len Vegas colony. 4.1 writing formulas, compounds co len Vegas (Formula of Covalent Compounds)4.1.1 molecular formula 1. write the symbol of the element is the element of the element and the electrolyte nature international's hit as the global master is B, C, Si, N, P, As, Sb, Te, Se, S, H, Cl, Br, I, At, F, O, respectively.2. in substance len Vegas chrome components If the atoms of a chemical element with the atomic number atomic number, write more than one with the numbers shown in the lower right corner. In the event that there is a single atom in the compound did not want to write the figures show the number of atoms.4.1.2 structural formula The formula indicates that molecular compounds of 1 what elements. How many atoms of each element, and those atoms are arranged or about how they bond with other islands. That is, a 2 is. 1. structural formula, the formula is a point structure that represents the outer electron shell full, slip out of the compound in Tehran, using points (.) instead of an electron. 1 a 2. structural formula, the formula is the line structure that represents a chemical bond in which the bond that compounds using linear instead of chemical bond (-) line 1 line instead of the shared electron pair.
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