객관식
Which of the following lists all the ions present in the reactants when calcium chloride and sodium phosphate are dissolved in water?
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- 1. Intro to General Chemistry3h 46m
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- Main Group Elements: Bonding Types4m
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- 24. Transition Metals and Coordination Compounds3h 19m
- Atomic Radius & Density of Transition Metals11m
- Electron Configurations of Transition Metals7m
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- Ligands10m
- Complex Ions5m
- Coordination Complexes7m
- Classification of Ligands11m
- Coordination Numbers & Geometry9m
- Naming Coordination Compounds22m
- Writing Formulas of Coordination Compounds8m
- Isomerism in Coordination Complexes17m
- Orientations of D Orbitals4m
- Intro to Crystal Field Theory10m
- Crystal Field Theory: Octahedral Complexes5m
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- Crystal Field Theory: Square Planar Complexes4m
- Crystal Field Theory Summary8m
- Magnetic Properties of Complex Ions9m
- Strong-Field vs Weak-Field Ligands6m
- Magnetic Properties of Complex Ions: Octahedral Complexes11m
2. Atoms & Elements
Ions
객관식
Which of the following best describes the difference between a cation and an anion?
A
Both cations and anions are neutral particles.
B
Cations and anions have the same number of protons and electrons.
C
A cation is a positively charged ion, while an anion is a negatively charged ion.
D
A cation is a negatively charged ion, while an anion is a positively charged ion.
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검증된 단계별 안내1
Understand that ions are atoms or molecules that have gained or lost electrons, resulting in a net electrical charge.
Recall that a cation is formed when an atom loses one or more electrons, giving it a net positive charge because it has more protons than electrons.
Recall that an anion is formed when an atom gains one or more electrons, giving it a net negative charge because it has more electrons than protons.
Recognize that both cations and anions are charged particles, not neutral, because the balance between protons and electrons is disrupted.
Therefore, the key difference is that a cation carries a positive charge, while an anion carries a negative charge.
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