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Determine the number of protons and the number of electrons in each ion. b. Se2-
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Ch.2 - Atoms & Elements
Tro6th EditionChemistry: A Molecular ApproachISBN: 9780137832217
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TOC.tableOfContents
- Ch.1 - Matter, Measurement & Problem Solving118
- Ch.2 - Atoms & Elements106
- Ch.3 - Molecules and Compounds131
- Ch.4 - Chemical Reactions and Chemical Quantities56
- Ch.5 - Introduction to Solutions and Aqueous Solutions82
- Ch.6 - Gases114
- Ch.7 - Thermochemistry96
- Ch.8 - The Quantum-Mechanical Model of the Atom60
- Ch.9 - Periodic Properties of the Elements90
- Ch.10 - Chemical Bonding I: The Lewis Model89
- Ch.11 - Chemical Bonding II: Molecular Shapes, VSEPR & MO Theory85
- Ch.12 - Liquids, Solids & Intermolecular Forces51
- Ch.13 - Solids & Modern Materials47
- Ch.14 - Solutions90
- Ch.15 - Chemical Kinetics115
- Ch.16 - Chemical Equilibrium68
- Ch.17 - Acids and Bases136
- Ch.18 - Aqueous Ionic Equilibrium153
- Ch.19 - Free Energy & Thermodynamics93
- Ch.20 - Electrochemistry106
- Ch.21 - Radioactivity & Nuclear Chemistry74
- Ch.22 - Organic Chemistry140
Tro6th EditionChemistry: A Molecular ApproachISBN: 9780137832217Non è quello che usi tu?Cambia libro di testo
Capitolo 2, Problema 62c
Determine the number of protons and the number of electrons in each ion. c. Ga3+
Guida verificata passo dopo passo1
Step 1: Identify the atomic number of the element. The atomic number of an element is equal to the number of protons in an atom of that element. For Gallium (Ga), the atomic number is 31. Therefore, Ga has 31 protons.
Step 2: Determine the charge of the ion. The charge of the ion is given as 3+. This means that the ion has lost 3 electrons.
Step 3: Calculate the number of electrons in the ion. The number of electrons in a neutral atom is equal to the number of protons. However, since the Ga ion has a 3+ charge, it has lost 3 electrons. Therefore, the number of electrons in Ga3+ is 31 (the number of protons) minus 3 (the lost electrons).
Step 4: So, the Ga3+ ion has 31 protons and 28 electrons.
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Atomic Structure
Atoms consist of protons, neutrons, and electrons. Protons are positively charged particles found in the nucleus, while electrons are negatively charged and orbit the nucleus. The number of protons defines the element, and in a neutral atom, the number of electrons equals the number of protons.
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02:10
Atom Structure
Ions
Ions are atoms or molecules that have gained or lost one or more electrons, resulting in a net charge. Cations are positively charged ions formed by losing electrons, while anions are negatively charged ions formed by gaining electrons. The charge of an ion indicates the difference between the number of protons and electrons.
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06:17Ion Formation
Gallium Ion (Ga3+)
Gallium (Ga) has an atomic number of 31, meaning it has 31 protons. The Ga3+ ion indicates that the gallium atom has lost three electrons, resulting in a positive charge. Therefore, in the Ga3+ ion, there are 31 protons and 28 electrons, reflecting the loss of three electrons from the neutral gallium atom.
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06:17Ion Formation
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