Why are prefixes not needed in naming ionic compounds?A.Roman numerals are used instead of prefixes to indicate number.B.Ion charges are written as superscripts with the names of the atoms.C.Ions combine in only one ratio.D.Subscripts are used in the name to indicate number of atoms.
Question
Why are prefixes not needed in naming ionic compounds?A.Roman numerals are used instead of prefixes to indicate number.B.Ion charges are written as superscripts with the names of the atoms.C.Ions combine in only one ratio.D.Subscripts are used in the name to indicate number of atoms.
Solution
Prefixes are not needed in naming ionic compounds because ions combine in only one ratio. This is due to the fact that ionic compounds are neutral, meaning the total positive charge from the cations (positive ions) must equal the total negative charge from the anions (negative ions). Therefore, the ratio of ions in the compound is determined by the charges of the ions. For example, in sodium chloride (NaCl), there is one sodium ion (Na+) for every chloride ion (Cl-) because the charges on the ions are equal and opposite, resulting in a neutral compound. This is why we don
Similar Questions
Why are prefixes used in naming covalent compounds?A.The atoms can have different numbers of valence electrons.B.The same atoms can combine in more than one ratio.C.Oxidation states of the atoms are identified with prefixes.D.The prefixes identify the only way the atoms can combine.
Which of the following is used to indicate the number of each type of atom in the naming of a covalent molecule?A.A prefixB.A suffixC.A roman numeralD.A subscriptSUBMITarrow_backPREVIOUS
How can a roman numeral in a chemical name be used to write a chemical formula?A.The roman numeral is the charge on the nonmetal in the chemical formula.B.The roman numeral is the nonmetal's oxidation state used as the subscript on the metal in the crisscross method.C.The roman numeral is the subscript on the metal in the chemical formula.D.The roman numeral is the metal's oxidation state used as the subscript on the nonmetal in the crisscross method.
Under Ionic or Covalent write in a "i" for ionic and a "c" for covalent. The next two blanks under name write the name of the compound. For the name of the compound. If the metal requires a Roman numeral, then make sure you put the name of the cation(metal) and the Roman numerals without a space in between them and use parenthesis around the roman numeral, like this: iron(II) or copper(I) Formula PbSO4ionic or covalent Name
Now you be writing the formulas from the name. For the formula of the compound. When writing the formulas remember you are not able to use subscripts so write the compound as you would on paper but without writing subscripts. for example ammonium carbonate would be made from thecation NH4+1 and the anion CO3-2Formula = (NH4)2CO3Two nonmetals don't have ions, you will just be writing the formulas. For example carbon dioxide would be CO2 name potassium oxalateionic or covalent formula
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