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Questions and Answers
What is the charge of sodium in ionic form?
What is the charge of sodium in ionic form?
Which of the following correctly identifies the charge and symbol for oxygen?
Which of the following correctly identifies the charge and symbol for oxygen?
How many sodium atoms are required to combine with one phosphorus atom to achieve a net charge of 0?
How many sodium atoms are required to combine with one phosphorus atom to achieve a net charge of 0?
What is the name of the ionic compound formed from barium and sulfur?
What is the name of the ionic compound formed from barium and sulfur?
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What is the charge of fluorine in ionic form?
What is the charge of fluorine in ionic form?
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When forming ionic compounds, which element is always written first?
When forming ionic compounds, which element is always written first?
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Which of the following represents the correct charge for phosphorus in ionic form?
Which of the following represents the correct charge for phosphorus in ionic form?
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What suffix change is made to the name of a non-metal when forming ionic compounds?
What suffix change is made to the name of a non-metal when forming ionic compounds?
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What is the charge of a cation?
What is the charge of a cation?
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Which of the following describes ionic bonding?
Which of the following describes ionic bonding?
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In a water molecule (H2O), how many hydrogen atoms are present?
In a water molecule (H2O), how many hydrogen atoms are present?
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What type of ions are represented by Na+ and Cl-?
What type of ions are represented by Na+ and Cl-?
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Which of the following statements about atoms is incorrect?
Which of the following statements about atoms is incorrect?
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What is the molecular formula formed by combining 3 Na+ ions with 1 P3- ion?
What is the molecular formula formed by combining 3 Na+ ions with 1 P3- ion?
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How many examples of anions should be provided according to the learning goal?
How many examples of anions should be provided according to the learning goal?
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What is the correct classification of covalent bonding?
What is the correct classification of covalent bonding?
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What is the name of the compound formed from the formula CaF2?
What is the name of the compound formed from the formula CaF2?
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Which of the following best describes an anion?
Which of the following best describes an anion?
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Using the crossing over method, how is the molecular formula for magnesium and bromine determined?
Using the crossing over method, how is the molecular formula for magnesium and bromine determined?
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In the old system of naming ionic compounds, what suffix is used for the cation with a lower charge?
In the old system of naming ionic compounds, what suffix is used for the cation with a lower charge?
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What cation charge is associated with the sodium ion (Na+)?
What cation charge is associated with the sodium ion (Na+)?
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When combining potassium and oxygen, which of the following represents the correct molecular formula?
When combining potassium and oxygen, which of the following represents the correct molecular formula?
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Which of the following statements about ionic compounds is correct?
Which of the following statements about ionic compounds is correct?
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What is the characteristic of a compound formed using the Stock nomenclature system?
What is the characteristic of a compound formed using the Stock nomenclature system?
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What is the primary purpose of chemical nomenclature?
What is the primary purpose of chemical nomenclature?
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Which of the following learning goals focuses on representing compounds?
Which of the following learning goals focuses on representing compounds?
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Which activity is NOT mentioned as part of the programmed instruction?
Which activity is NOT mentioned as part of the programmed instruction?
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What term describes atoms or groups of atoms that have gained or lost electrons?
What term describes atoms or groups of atoms that have gained or lost electrons?
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What is a necessary prerequisite to writing chemical equations?
What is a necessary prerequisite to writing chemical equations?
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Which aspect of chemical nomenclature involves the use of charts and tables?
Which aspect of chemical nomenclature involves the use of charts and tables?
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What is an expected outcome by the end of the programmed instruction?
What is an expected outcome by the end of the programmed instruction?
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What does the 'K' in the KWL chart stand for?
What does the 'K' in the KWL chart stand for?
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What is the formula for sulfate?
What is the formula for sulfate?
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Which of the following anions is known as permanganate?
Which of the following anions is known as permanganate?
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Identify the correct name for the ionic compound formed by sodium and nitrite.
Identify the correct name for the ionic compound formed by sodium and nitrite.
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What is the correct formula for hydrogen sulfate?
What is the correct formula for hydrogen sulfate?
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Which of the following compounds corresponds to the molecular formula MgCl2?
Which of the following compounds corresponds to the molecular formula MgCl2?
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What is the name of the compound formed when calcium combines with sulfate?
What is the name of the compound formed when calcium combines with sulfate?
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Which of the following statements is true regarding the formula for dichromate?
Which of the following statements is true regarding the formula for dichromate?
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What is the formula for acetate?
What is the formula for acetate?
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Study Notes
Introduction to Chemical Nomenclature
- Systematic naming of compounds is essential in chemistry, especially for students pursuing health-related or science majors.
- Proper identification of compounds aids in subsequent studies like writing and balancing chemical equations.
- Engage actively in learning through filling exercises and concept maps.
Learning Goals
- Differentiate between atoms, molecules, and ions with examples.
- Represent chemical compounds using various formula types: chemical formulas, structural formulas, and models.
- Name compounds from their formulas and derive formulas from compound names.
- Practice writing and naming ionic compounds.
Atoms, Molecules, and Ions
- Atoms are the fundamental units of matter.
- Ions are charged particles:
- Cations carry a positive charge.
- Anions carry a negative charge.
- Molecules consist of atoms and ions that are chemically bonded, typically with a net charge of zero (e.g., H2O).
Chemical Bonding Types
- Covalent bonding involves sharing electrons between non-metals.
- Ionic bonding involves transferring electrons from metals to non-metals.
- Metallic bonding occurs among metal atoms.
Charges of Ions
- Group 1 metals typically form +1 ions (e.g., H1+).
- Group 2 metals form +2 ions (e.g., Mg2+).
- Nonmetals from group 7 form -1 ions (e.g., Cl1-), group 6 forms -2 ions (e.g., O2-), and group 5 forms -3 ions (e.g., N3-).
Naming Ionic Compounds
- In ionic compounds, metals are named first followed by nonmetals with an -ide suffix.
- Combine cations and anions so that the overall charge is zero (e.g., Ba2+ + S2- yields BaS, named barium sulfide).
- Use subscript numbers for multiple atoms needed to balance the ionic charges (e.g., 3Na+ + P3- results in Na3P, named sodium phosphide).
- The "crossing over" method helps to determine subscripts based on ion charges (e.g., Ca2+ and F- form CaF2).
Naming with Old and Stock Systems
- Old system uses historical cation names with suffixes (-ous for lower charge, -ic for higher charge).
- Stock system indicates oxidation states with Roman numerals in parentheses.
Common Polyatomic Ions
- Key polyatomic ions include:
- OH- : hydroxide
- NO3- : nitrate
- SO42- : sulfate
- CO32- : carbonate
- Naming conventions include recognizing hydrogen prefixes for ions containing hydrogen.
Concept Mapping
- Summarize the key concepts of chemical nomenclature and ionic compounds to solidify understanding.
- Self-assessment is crucial to measure progress against learning goals.
Studying That Suits You
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Description
This quiz focuses on the systematic naming of chemical compounds, vital for students in health and science disciplines. It covers crucial concepts like differentiating atoms, molecules, and ions, and proper representation and naming of compounds. Engage in exercises to enhance your understanding of ionic compounds.
