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Chapter 4: Problem 46

Where are the metallic elements found on the periodic table? Are there more metallic elements or nonmetallic elements?

Short Answer

Expert verified
Metallic elements are found on the left and center of the periodic table, including Groups 1-12, transition metals, and inner transition metals (lanthanides and actinides). Nonmetallic elements are on the right side in Groups 13-18, and metalloids are located along a diagonal line between metals and nonmetals. With approximately 91 metallic elements, 19 nonmetallic elements, and 7 metalloid elements, there are more metallic elements on the periodic table than nonmetallic elements.

Step by step solution

01

Locate Metallic Elements on the Periodic Table

Metallic elements are located on the left and center of the periodic table. These include elements from Groups 1-12, as well as other elements that fall within the transition metals and inner transition metals (lanthanides and actinides). Some examples of metallic elements are sodium (Na), iron (Fe), and gold (Au).
02

Locate Nonmetallic Elements on the Periodic Table

Nonmetallic elements are located on the right side of the periodic table, primarily in Groups 13-18. Nonmetals include elements such as carbon (C), nitrogen (N), and oxygen (O).
03

Locate Metalloids on the Periodic Table

Metalloids are elements that have properties in between those of metals and nonmetals. They are found along a diagonal line between the metals and nonmetals, which includes elements like boron (B), silicon (Si), and germanium (Ge).
04

Comparing the Number of Metallic and Nonmetallic Elements

To determine whether there are more metallic or nonmetallic elements, we can approximate how many there are for each type. We can approximate that there are around 91 metallic elements, 19 nonmetallic elements, and 7 metalloid elements on the periodic table. With this approximation, we find that there are more metallic elements on the periodic table than nonmetallic elements.

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Most popular questions from this chapter

For the following pairs of ions, use the concept that a chemical compound must have a net charge of zero to predict the formula of the simplest compound that the ions are most likely to form. a. \(\mathrm{Fe}^{3+}\) and \(\mathrm{P}^{3-}\) b. \(\mathrm{Fe}^{3+}\) and \(\mathrm{S}^{2-}\) c. \(\mathrm{Fe}^{3+}\) and \(\mathrm{Cl}^{-}\) d. \(\mathrm{Mg}^{2+}\) and \(\mathrm{Cl}^{-}\) e. \(\mathrm{Mg}^{2+}\) and \(\mathrm{O}^{2-}\) f. \(\mathrm{Mg}^{2+}\) and \(\mathrm{N}^{3-}\) g. \(\mathrm{Na}^{+}\) and \(\mathrm{P}^{3-}\) h. \(\mathrm{Na}^{+}\) and \(\mathrm{S}^{2-}\)

For each of the following elements, give the chemical symbol and atomic number. a. astatine b. xenon c. radium d. strontium e. lead f. selenium g. argon h. cesium

For the following processes that show the formation of ions, use the periodic table to indicate the number of electrons and protons present in both the ion and the neutral atom from which the ion is made.a. \(\mathrm{Ca} \rightarrow \mathrm{Ca}^{2+}+2 \mathrm{e}^{-}\) b. \(P+3 e^{-} \rightarrow P^{3-}\) c. \(\mathrm{Br}+\mathrm{e}^{-} \rightarrow \mathrm{Br}^{-}\) d. \(\mathrm{Fe} \rightarrow \mathrm{Fe}^{3+}+3 \mathrm{e}^{-}\) e. \(A l \rightarrow A l^{3+}+3 e^{-}\) f. \(\mathrm{N}+3 \mathrm{e}^{-} \rightarrow \mathrm{N}^{3-}\)

For each of the following elements, use the tables on the inside cover of this book to give the chemical symbol, atomic number, and group number of each element, and to specify whether the element is a metal, nonmetal, or metalloid. a. lithium b. arsenic c. radon d. radium e. germanium

In some cases, the symbol of an element does not seem to bear any relationship to the name we use for the element. Generally, the symbol for such an element is based on its name in another language. Give the symbols and names for five examples of such elements.
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