Apply Why are all of the elements in group 18 relatively unreactive, whereas those in group 17 are very reactive? Summarize ionic bond formation by correctly pairing these terms: cation, anion, electron gain, and electron loss. Apply Write out the electron configuration for each atom. Then, predict the change that must occur in each to achieve a noble-gas configuration.
Model Draw models to represent the formation of the positive calcium ion and the negative bromide ion. Challenge Explain how elements in the two groups shown on the periodic table at the right combine to form an ionic compound. Identify three physical properties of ionic compounds that are associated with ionic bonds, and relate them to bond strength. Apply Use electron configurations, orbital notation, and electron-dot structures to represent the formation of an ionic compound from the metal strontium and the nonmetal chlorine.
Design a concept map that shows the relationships among ionic bond strength, physical properties of ionic compounds, lattice energy, and stability. Challenge Write the general formula for the ionic compound formed by elements from the two groups shown on the periodic table at the right.
Challenge Write the formula for an ionic compound formed by ions from a group 2 element and polyatomic ions composed of only carbon and oxygen. Name this compound. State the order in which the ions associated with a compound composed of potassium and bromine would be written in the chemical formula and the compound name.
Describe the difference between a monatomic ion and a polyatomic ion, and give an example of each. Analyze What subscripts would you most likely use if the following substances formed an ionic compound? Explain how the conductivity of electricity and the high boiling points of metals are explained by metallic bonding. Summarize alloy types by correctly pairing these terms and phrases: substitutional, interstitial, replaced, and filled in.
Design an experiment that could be used to distinguish between a metallic solid and an ionic solid. Include at least two different methods for comparing the solids. Explain your reasoning.
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Views Total views. Actions Shares.To browse Academia. Skip to main content. Log In Sign Up. Download Free PDF. Chapter 07 - ionic compounds and metals. Bastian Soyra. Calcium carbonate CaCO 3 7.
For a material to conduct an electric current, it must contain STEP 1 Fold a sheet charged particles that can move throughout the substance.
5.7: Naming Ionic Compounds
STEP 2 Fold the top down about 2 cm. Read and complete the lab safety form. Ionic Bonds, and 2. Make a data table to record your observations. Properties of Ionic Compounds. Fill an open well in a well plate with table salt NaCl.
As you read these sections, record information in the well plate. Place the probes of a conductivity tester in the your Foldable. If the light is illuminated, the table salt conducts electricity. Repeat with the solution. Repeat Steps 3 to 5 using sugar C 12H 22O 11 instead of table salt.Mcgraw hill literature book
Visit glencoe. Explain your results. There, you meet a larger group that also wants to play. To Review Vocabulary form even teams, one group loses members and the other group gains members.
Atoms sometimes behave in a similar manner to form compounds. You might explore the color- chemical bond ful and exotic organisms teeming around a coral reef, such as the one cation shown in Figure 7. The coral is formed from a compound called cal- anion cium carbonate, which is just one of thousands of compounds found on Earth.
How do so many compounds form from the relatively few ele- ments known to exist?
The answer to this question involves the electron structure of atoms and the nature of the forces between atoms. In previous chapters, you learned that elements within a group on the periodic table have similar properties.
Many of these properties depend on the number of valence electrons the atom has. These valence electrons are involved in the formation of chemical bonds between two atoms.Chapter 1 Chapter 1: The Chemical World 1.
After learning a few more details about the names of individual ions, you will be a step away from knowing how to name ionic compounds. This section begins the formal study of nomenclature, the systematic naming of chemical compounds. The name of a monatomic cation is simply the name of the element followed by the word ion.Lg stylo not sending texts
We have seen that some elements lose different numbers of electrons, producing ions of different charges Figure 3. Iron, for example, can form two cations, each of which, when combined with the same anion, makes a different compound with unique physical and chemical properties. The same issue arises for other ions with more than one possible charge. There are two ways to make this distinction. This system is used only for elements that form more than one common positive ion.
The second system, called the common systemis not conventional but is still prevalent and used in the health sciences. This system recognizes that many metals have two common cations.
Chemistry Matter and Change
The common system uses two suffixes - ic and - ous that are appended to the stem of the element name. The -ic suffix represents the greater of the two cation charges, and the -ous suffix represents the lower one.
In many cases, the stem of the element name comes from the Latin name of the element. The name of a monatomic anion consists of the stem of the element name, the suffix - ideand then the word ion.
The polyatomic ions have their own characteristic names, as discussed earlier. Now that we know how to name ions, we are ready to name ionic compounds. A binary ionic compound is a compound composed of a monatomic metal cation and a monatomic nonmetal anion.
The word ion is dropped from both parts. If you are given a formula for an ionic compound whose cation can have more than one possible charge, you must first determine the charge on the cation before identifying its correct name. For example, consider FeCl 2 and FeCl 3. These are two different compounds that need two different names.
We know that cobalt can have more than one possible charge; we just need to determine what it is. The process of naming ionic compounds with polyatomic ions is the same as naming binary ionic compounds. The cation is named first, followed by the anion.Gstreamer valve
The ions have the same magnitude of charge, one of each ion is needed to balance the charges. Neither charge is an exact multiple of the other, so we have to go to the least common multiple of 6.
Learning Objectives To use the rules for naming ionic compounds. Naming Ions The name of a monatomic cation is simply the name of the element followed by the word ion. The name of this ionic compound is aluminum fluoride. The name of this ionic compound is potassium chloride. Naming Binary Ionic Compounds with a Metal That Forms More Than One Type of Cation If you are given a formula for an ionic compound whose cation can have more than one possible charge, you must first determine the charge on the cation before identifying its correct name.
Co 2 O 3 FeCl 2 Solution Explanation Answer a We know that cobalt can have more than one possible charge; we just need to determine what it is. Therefore, the proper name for this ionic compound is cobalt III oxide. Therefore, the proper name for this ionic compound is iron II chloride.
Naming Ionic Compounds with Polyatomic Ions The process of naming ionic compounds with polyatomic ions is the same as naming binary ionic compounds. Two ammonium ions need to balance the charge on a single sulfide ion. The name of the compound is aluminum phosphate.
Summary Ionic compounds are named by stating the cation first, followed by the anion.Retrieved July 2, 2010. Retrieved December 30, 2010. Retrieved 4 December 2014. Archived from the original on 2011-08-16. Retrieved 15 October 2017. Archived from the original on 2011-09-09. Archived from the original on 2011-07-11. Archived from the original on 2006-05-06.
Chapter 7 - Ionic and Metallic Bonding - 7.3 Bonding in Metals - 7.3 Lesson Check - Page 212: 26
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