(a)
Interpretation: The ion formed by the given element is to be identified.
Concept Introduction : There are two types of charged species, anion (negatively charged species) and cation (positively charged species). Anion is formed by the gaining of electron/s whereas a cation is formed by losing electron/s.
(a)
Answer to Problem 1SP
The ion formed by the given element is an anion.
Explanation of Solution
The given element is selenium. The
(b)
Interpretation: The ion formed by the given element is to be identified.
Concept Introduction : There are two types of charged species, anion (negatively charged species) and cation (positively charged species). Anion is formed by the gaining of electron/s whereas a cation is formed by losing electron/s.
(b)
Answer to Problem 1SP
The ion formed by the given element is a cation.
Explanation of Solution
The given element is barium. The atomic number of Ba is 56. It belongs to group 2 in the periodic table which is alkaline earth metals. It has 2 valence electrons. In order to complete the octet, it can lose two electrons to form a cation with a +2 charge.
(c)
Interpretation: The ion formed by the given element is to be identified.
Concept Introduction : There are two types of charged species, anion (negatively charged species) and cation (positively charged species). Anion is formed by the gaining of electron/s whereas a cation is formed by losing electron/s.
(c)
Answer to Problem 1SP
The ion formed by the given element is an anion.
Explanation of Solution
The given element is phosphorus. The atomic number of phosphorus is 15. It belongs to group 15 in the periodic table which is the nitrogen family. It has 5 valence electrons. In order to complete the octet, it can gain three electrons to form an anion with a -3 charge.
(d)
Interpretation: The ion formed by the given element is to be identified.
Concept Introduction : There are two types of charged species, anion (negatively charged species) and cation (positively charged species). Anion is formed by the gaining of electron/s whereas a cation is formed by losing electron/s.
(d)
Answer to Problem 1SP
The ion formed by the given element is an anion.
Explanation of Solution
The given element is iodine. The atomic number of iodine is 53. It belongs to group 17 which is the halogen family. It has 7 valence electrons. Thus, in order to complete the octet, it can gain one electron to form an anion with a -1 charge.
Chapter 9 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
- > You are trying to decide if there is a single reagent you can add that will make the following synthesis possible without any other major side products: 1. ☑ CI 2. H3O+ O Draw the missing reagent X you think will make this synthesis work in the drawing area below. If there is no reagent that will make your desired product in good yield or without complications, just check the box under the drawing area and leave it blank. Click and drag to start drawing a structure. Explanation Check ? DO 18 Ar B © 2025 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibilityarrow_forwardDon't use ai to answer I will report you answerarrow_forwardConsider a solution of 0.00304 moles of 4-nitrobenzoic acid (pKa = 3.442) dissolved in 25 mL water and titrated with 0.0991 M NaOH. Calculate the pH at the equivalence pointarrow_forward
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