ionic compounds tend to form between metals and nonmetals when electrons are transferred from an element with high ionization energy (metal) to an element with a low electron affinity (nonmetal). true or false
ionic compounds tend to form between metals and nonmetals when electrons are transferred from an element with high ionization energy (metal) to an element with a low electron affinity (nonmetal). true or false
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Related questions
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| NM | NM | = nonmetal | -3 | -2 | -1 | NM | ||||||||||||
| +1 | +2 | md | = metalloid | md | NM | NM | NM | NM | NM | |||||||||
| +1 | +2 | +3 | md | NM | NM | NM | NM | |||||||||||
| +1 | +2 | +2 | md | md | NM | NM | NM | |||||||||||
| +1 | +2 | +1 | md | md | NM | NM | ||||||||||||
| +1 | +2 | md | NM | |||||||||||||||
| +1 | +2 | |||||||||||||||||
Type I Binary Ionic Compounds
Type I binary ionic compounds contain a metal and a nonmetal AND the metal that is present only forms one type of cation. Metals with only one cation(shaded below with charges). Both the metal and the nonmetal form ions, which is why it is called an ionic compound.
From the following list, cross out those compounds that do NOT belong in the category for Type I binary ionic compounds.
NaCl FeCl2 CaCl2 TiO2 MgO AlBr3 KCl K2S BeF2 Cu2O3 AgCl Zn3N2
Formula and name examples for Type I binary ionic compounds:
KI = potassium iodide BaO = barium oxide ZnF2 = zinc fluoride Na2S = sodium sulfide
Ag3N = silver nitride BeCl2 = beryllium chloride
What type of element is always listed first (metal or nonmetal)? ____________ second? ___________
Is the name of the first element in the compound different from the element? (yes/no)
What is the common ending for all the names? ______________
In zinc fluoride, there are 2 fluoride atoms, are they indicated in the name? (yes/no)
What is the charge on the zinc ion? _______
What is the charge on the fluoride ion? _______
Why do you need one zinc ion and two fluoride ions for the formula for zinc fluoride?
Why do you need two sodium ions for every sulfide ion in sodium sulfide?
Try not to look in your book and determine the rules for naming type I binary ionic compound when given the formula.
Try not to look in your book and determine the rules for writing the formula for a type I binary compound when given the name.
Name each of the type I binary ionic compounds listed in Question 1 of the Type I section in words.
Type II Binary Ionic Compounds
Type II binary ionic compounds also contain a metal and a nonmetal however the metal that is present here can form more than one type of cation. Metals with multiple possible charges are listed in the periodic table as blank. Type II metals are NOT Type I metals. Again, both the metal and the nonmetal form ions, and it is still called an ionic compound. These metals usually only form two different ions.
From the following list, cross out those compounds that do NOT belong in the category for Type II binary ionic compounds.
AlP FeCl2 Ag2O VBr5 CoS SnF2 K3N SrF2 CuBr AuCl3 ZnO HgS
Formula and name examples for Type II binary ionic compounds:
Fe2O3 = iron(III) oxide or ferric oxide FeO = iron(II) oxide or ferrous oxide
CuS = copper(II) sulfide or cupric sulfide CuCl = copper(I) chloride or cuprous chloride
MnO2 = manganese(IV) oxide or manganic oxide MnCl2 = manganese(II) chloride or manganous chloride
What type of element is always listed first (metal or nonmetal)? ____________ second? ___________
Is the name of the first element in the compound different from the element? (yes/no)
What is the common ending for the nonmetal portion of the names? ______________
In the compound FeO, what is the charge on iron? _______
In the compound Fe2O3, what is the charge on iron? ________
What does the Roman number after the metal name represent?
Try not to look in your book and determine the rules for naming type II binary ionic compound when given the formula.
Try not to look in your book and determine the rules for writing the formula for a type II binary compound when given the name.
Name each of the type II binary ionic compounds listed in Question 1 of the Type II section in words.
Type III (Nonmetallic) Binary Compounds
Binary compounds that do not contain metals, sometimes referred to as binary molecular compounds, have covalent bonds instead of ionic bonds. A covalent bond is formed by sharing one or more pairs of electrons. The pair of electrons is shared by both atoms. For example, in forming H2, each hydrogen atom contributes one electron to the single bond.
From the following list, cross out those compounds that do NOT belong in the category for binary compounds containing only nonmetals or metalloids.
CCl4 AlCl3 CO SeF6 SiO2 SrI2 P4O10 TiO2 SeO3 IrCl ZrO2 N2O5
Formula and name examples for Type III binary molecular compounds:
CO2 = carbon dioxide H2O = dihydrogen monoxide
IF5 = iodine pentafluoride BF3 = boron trifluoride
Which element is listed first in the name?
Is the name of the first element in the compound different from the element? (yes/no)
What is the common ending for all the names? ______________
What do the prefixes (di-, mono-, penta-, tri-) in the names above mean?
Is the prefix mono- used when there is only one atom of the first element? (yes/no)
Is the prefix mono- used when there is one atom of the second element? (yes/no)
Try not to look at your book and determine the rules for naming type III binary ionic compound when given the formula.
Name each of the type III binary compounds in Question 1 of the Type III section in words.
Compounds Containing Polyatomic Ions
Polyatomic ions are ions that as a group have a set charge. Polyatomic ions are usually recognized in a formula by the grouping of more than one nonmetal elements after a metal. Your book has a table listing polyatomic ions. Use your bookâs table to fill in the following table with the appropriate names/formulas of the polyatomic ions.
| Name | Formula | Name | Formula |
| hydronium | chlorite | ||
| phosphate | C2H3O2-1 | ||
| SO3-2 | ClO4-1 | ||
| OH-1 | carbonate | ||
| cyanide | NO2-1 |
Polyatomic ions containing oxygen (oxyanions or oxoanions) are somewhat special.
carbonate = CO3-2
Match the location of carbon on the periodic table with the two figures on the right.
What number is in the carbon location on the left figure? To what does this number refer?
What number is the carbon location on the right figure? To what does this number refer?
What element must all oxyanions contain?
What is the ending of the name of the ion determined from these tables?
Determine the formula for the following oxyanions using the figures above. Phosphate _________ Silicate ________ Bromate ________ Iodate ________ Sulfate ________ Nitrate ________
Review Table
Use your knowledge of Type I and Type II metals as well as the appropriate polyatomic name/formula to fill in the following table.
| Name | Formula | Name | Formula |
| sodium phosphate | Cu(ClO)2 | ||
| tin (II) nitrate | calcium sulfate | ||
| KCN | ammonium nitrate | ||
| Sr(MnO4)2 | MnSO4 |
Acids
Acids are compounds that when dissolved in water, produce hydrogen ions (H+). Naming acids can be tricky. Use the following figure to determine how to name an acid.
FG02_27
Given that the ion formula is NO2-1, how can one determine the name of the ion, acid formula, and acid name?
Ion name:
What is the formula for nitrate?
Is NO2-1 the nitrate ion or the nitrite ion?
Acid formula:
According to the figure above, what ion must be added to create an acid? What is the charge of that ion?
How many of the hydrogen ions must be added to NO2-1 to make a neutral acid (zero charge)?
What is the chemical formula for the acid created when hydrogen ion(s) are added to NO2-1?
Acid name:
Based on your answer to Question 1 above, does the name for the NO2-1 ion end in âite or âate?
Name the acid, HNO2.
Fill in the following acid table:
| Acid Formula | Acid Name | Anion Formula | Anion Name |
| HCl | hydrochloric acid | Cl¯ | chloride |
| ClO3¯ | |||
| sulfuric acid | |||
| bromate | |||
| PO4-3 | |||
| HF | |||
| H2CO3 | |||
| C2H3O2 ¯ |
