Describe how to write a formula for a covalent compound Method to deduce the formulae of covalent compoundsNon-metals combine with non-metals to form covalent compounds. Table shows the number of electrons needed by an atom of a non-metal to achieve a stable noble gas electron arrangement. The number of electrons needed is a measure of the combining power of the … [Read more...] about Describe how to write a formula for a covalent compound
Writing formulas for ionic compounds examples
How do you write the formula for ionic compounds?
How do you write the formula for ionic compounds? Method to deduce the formulae of ionic compounds:Metals from Groups 1, 2 and 13 combine with non-metals from Groups 15, 16 and 17 to form ionic compounds.Table shows how the metal atoms of Groups 1, 2 and 13 form positive ions with different charges.Group Number of valence electrons Number of electrons donated … [Read more...] about How do you write the formula for ionic compounds?