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Chapter 2: Problem 19

Write the names and symbols for four elements in each of these categories: (a) nonmetal, (b) metal, (c) metalloid.

Short Answer

Expert verified
(a) Nonmetals: Hydrogen (H), Helium (He), Oxygen (O), Nitrogen (N), (b) Metals: Iron (Fe), Copper (Cu), Silver (Ag), Gold (Au), (c) Metalloids: Silicon (Si), Arsenic (As), Germanium (Ge), Antimony (Sb).

Step by step solution

01

- Identify Nonmetals

Nonmetals can usually be found on the right side of the periodic table (with the exception of Hydrogen which is on the left). Some examples include Hydrogen (H), Helium (He), Oxygen (O), and Nitrogen (N).
02

- Identify Metals

Metals are elements that are typically good conductors of heat and electricity, and are located on the left side of the periodic table. Examples include Iron (Fe), Copper (Cu), Silver (Ag), and Gold (Au).
03

- Identify Metalloids

Metalloids are elements that have properties of both metals and nonmetals and are found along the stair-step line on the periodic table. Examples include Silicon (Si), Arsenic (As), Germanium (Ge), and Antimony (Sb).

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Most popular questions from this chapter

Which of these symbols provides more information about the atom: \({ }^{23}\) Na or \({ }_{11}\) Na? Explain.

(a) Which elements are most likely to form ionic compounds? (b) Which metallic elements are most likely to form cations with different charges?

In which one of these pairs do the two species resemble each other most closely in chemical properties? (a) \({ }_{1}^{1} \mathrm{H}\) and \({ }^{1} \mathrm{H}^{+},(\mathrm{b}){ }_{7}^{14} \mathrm{~N}\) and \({ }^{14} \mathrm{~N}^{3-},(\mathrm{c}){ }_{6}^{12} \mathrm{C}\) and \({ }_{6}^{13} \mathrm{C} .\)

Write the appropriate symbol for each of these isotopes: (a) \(Z=11, A=23 ;\) (b) \(Z=28, A=64\)

Fluorine reacts with hydrogen \((\mathrm{H})\) and with deuterium (D) to form hydrogen fluoride (HF) and deuterium fluoride (DF) [deuterium \(\left({ }_{1}^{2} \mathrm{H}\right.\) ) is an isotope of hydrogen]. Would a given amount of fluorine react with different masses of the two hydrogen isotopes? Does this violate the law of definite proportions? Explain.
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