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Questions and Answers
What is the common ion formed by the symbol F?
What is the common ion formed by the symbol F?
F-
What is the number of protons in the ion represented by Be2+?
What is the number of protons in the ion represented by Be2+?
4
Determine the charge of the ion formed by Al if it has 13 protons and 36 electrons.
Determine the charge of the ion formed by Al if it has 13 protons and 36 electrons.
3-
In the context of isotopes, what does the symbol A represent?
In the context of isotopes, what does the symbol A represent?
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What is the number of neutrons in Zn2+ if it has 34 neutrons?
What is the number of neutrons in Zn2+ if it has 34 neutrons?
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How many sulfur atoms are present in the formula Al2(SO4)3?
How many sulfur atoms are present in the formula Al2(SO4)3?
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Calculate the formula mass of C6H12O6.
Calculate the formula mass of C6H12O6.
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What is the common ion formed by Br if it has two fewer electrons than its neutral form?
What is the common ion formed by Br if it has two fewer electrons than its neutral form?
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How many electrons are in the ion formed by Al if it has 13 protons and a positive charge?
How many electrons are in the ion formed by Al if it has 13 protons and a positive charge?
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What can be determined about the charge of an atom if it contains 15 protons and 16 electrons?
What can be determined about the charge of an atom if it contains 15 protons and 16 electrons?
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If a sulfate ion (SO42-) is present in a compound with two metal atoms, how many sulfate units are present in the formula Al2(SO4)3?
If a sulfate ion (SO42-) is present in a compound with two metal atoms, how many sulfate units are present in the formula Al2(SO4)3?
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In the compound Fe(NO3)3, how many total oxygen atoms are present?
In the compound Fe(NO3)3, how many total oxygen atoms are present?
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For the formula CaSO4, what is the total number of atoms present?
For the formula CaSO4, what is the total number of atoms present?
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If C7H16 has 7 carbon and 16 hydrogen atoms, what is its empirical formula?
If C7H16 has 7 carbon and 16 hydrogen atoms, what is its empirical formula?
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For the symbol Al, how many electrons would be present in its ion form if it has a positive charge equivalent to its number of protons?
For the symbol Al, how many electrons would be present in its ion form if it has a positive charge equivalent to its number of protons?
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What is the total mass of one mole of CS2 in grams?
What is the total mass of one mole of CS2 in grams?
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If Zn2+ has 30 protons, what is its atomic number (Z)?
If Zn2+ has 30 protons, what is its atomic number (Z)?
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In the formula Cr2(C2H3O2)4, how many total metal (Cr) atoms are present?
In the formula Cr2(C2H3O2)4, how many total metal (Cr) atoms are present?
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How many total electrons are in the O2- ion if it has 15 protons?
How many total electrons are in the O2- ion if it has 15 protons?
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What is the number of sulfur atoms in the formula K2SO4?
What is the number of sulfur atoms in the formula K2SO4?
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For the ionic compound formed by Br, what is the typical electron count in the ion form?
For the ionic compound formed by Br, what is the typical electron count in the ion form?
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What is the common ion formed by the symbol Al based on its electron count?
What is the common ion formed by the symbol Al based on its electron count?
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How many total atoms are in the compound represented by CaSO4?
How many total atoms are in the compound represented by CaSO4?
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Given Zn2+ has 34 neutrons, what is its mass number A?
Given Zn2+ has 34 neutrons, what is its mass number A?
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In the compound C6H12O6, what is the total number of hydrogen atoms present?
In the compound C6H12O6, what is the total number of hydrogen atoms present?
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How many total oxygen atoms are present in the compound Fe(NO3)3?
How many total oxygen atoms are present in the compound Fe(NO3)3?
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If O has a charge of 2- and 15 protons, how many electrons does it have?
If O has a charge of 2- and 15 protons, how many electrons does it have?
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Study Notes
Atomic Structure and Formula Mass Calculations
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Problem 88: Completing a table relating to ions (e.g., F⁻ and Be²⁺). This involves finding the number of electrons and protons in an ion.
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Problem 113: Completing a table for atomic structure (e.g., Zn²⁺ and O²⁻). This involves identifying the atomic number (Z), mass number (A), number of protons, electrons, and neutrons.
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Problem 40: Completing a table for calculating the number of SO₄²⁻ units, sulfur atoms, oxygen atoms, and metal atoms in various compounds (e.g., CaSO₄, Al₂(SO₄)₃, and K₂SO₄).
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Problem 88. a-d Calculating the formula mass for various compounds (e.g., CS₂, C₆H₁₂O₆, Fe(NO₃)₃, C₇H₁₆). This involves using the atomic masses of each element in the compound and multiplying by the number of atoms of each type. The formula mass is the sum of the atomic masses of each atom in the compound's formula.
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Description
This quiz focuses on atomic structure and mass calculations, including the identification of protons, electrons, and neutrons in various ions and compounds. Students will complete tables related to ions and calculate the formula mass for different chemical compounds. It emphasizes understanding atomic composition and mass relationships.
