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Mrs. Cote · textbook

Hebden atomic identity, ions and isotope tables

p.146 #13–17 · p.147 #19 · p.149 #22

0 / 32 parts

Your assignment

Use this alongside Hebden atomic identity, ions and isotope tables. Assigned references: p.146 #13–17, p.147 #19, p.149 #22.

Numbered companions follow the class work. Keep the original for exact wording, tables and diagrams.

p.146 · Assigned particle questions20

13aQuestion 13aFor Be, find the number of protons.Open13bQuestion 13bFor U, find the number of protons.Open13cQuestion 13cFor Mn, find the number of protons.Open14aQuestion 14aFor C, find the number of electrons in the neutral atom.Open14bQuestion 14bFor Fe, find the number of electrons in the neutral atom.Open14cQuestion 14cFor Ar, find the number of electrons in the neutral atom.Open15aQuestion 15aFor Na⁺, find the number of electrons in the ion.Open15bQuestion 15bFor Mg²⁺, find the number of electrons in the ion.Open15cQuestion 15cFor V³⁺, find the number of electrons in the ion.Open15dQuestion 15dFor O²⁻, find the number of electrons in the ion.Open15eQuestion 15eFor Cl⁻, find the number of electrons in the ion.Open15fQuestion 15fFor Al³⁺, find the number of electrons in the ion.Open15gQuestion 15gFor Sb³⁻, find the number of electrons in the ion.Open15hQuestion 15hFor Fe²⁺, find the number of electrons in the ion.Open15iQuestion 15iFor H⁻, find the number of electrons in the ion.Open15jQuestion 15jFor As³⁻, find the number of electrons in the ion.Open17aQuestion 17aFor Mg, enter the positive nuclear charge as a multiple of e (for example, 6 means +6e).Open17bQuestion 17bFor Ne, enter the positive nuclear charge as a multiple of e (for example, 6 means +6e).Open17cQuestion 17cFor K⁺, enter the positive nuclear charge as a multiple of e (for example, 6 means +6e).Open17dQuestion 17dFor S²⁻, enter the positive nuclear charge as a multiple of e (for example, 6 means +6e).Open

p.146 · Changing an ion9

p.147 · Table1

p.149 · Table1

Material & context1

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Chemistry student study guide & current class-note scopePrivate class evidence from Mrs. Cote · checked 2026-10-06

Original atlas explanations and practiceJovan Pahal / atlas · checked 2026-10-06