Name: Chemistry: The Central Science
Author: Brown
ISBN: 9780137542970

Ch.2 - Atoms, Molecules, and Ions

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모든 교과서

Brown 15th Edition

Ch.2 - Atoms, Molecules, and Ions

문제 54

Write the molecular and structural formulas for the compounds represented by the following models:

문제 55

Fill in the gaps in the following table: Symbol 59Co3+ Protons 34 76 80 Neutrons 46 116 120 Electrons 36 78 Net charge 2+

문제 56

Fill in the gaps in the following table:

Symbol 31P3-

Protons 34 50

Neutrons 45 69 118

Electrons 46 76

Net charge 2- 3+

문제 57c

Each of the following elements is capable of forming an ion in chemical reactions. By referring to the periodic table, predict the charge of the most stable ion of each: c. K

문제 58d

Using the periodic table, predict the charge of the most stable ion of the following elements: d. Br

문제 58e

Using the periodic table, predict the charge of the most stable ion of the following elements: e. Se

문제 59a,b

Using the periodic table to guide you, predict the chemical formula and name of the compound formed by the following elements: (a) Ga and F (b) Li and H

문제 59c

Using the periodic table to guide you, predict the chemical formula and name of the compound formed by the following elements: (c) Al and I

문제 59d

Using the periodic table to guide you, predict the chemical formula and name of the compound formed by the following elements: (d) K and S.

문제 60b

The most common charge associated with scandium in its compounds is . Indicate the chemical formulas you would expect for compounds formed between scandium and b. sulfur

문제 61a

Predict the chemical formula for the ionic compound formed by (a) Ca2+ and Br-

문제 61b

Predict the chemical formula for the ionic compound formed by (b) K+ and CO32-

문제 61c

Predict the chemical formula for the ionic compound formed by (c) Al3+ and CH3COO-

문제 61d

Predict the chemical formula for the ionic compound formed by (d) NH4+ and SO42-

문제 61e

Predict the chemical formula for the ionic compound formed by (e) Mg2+ and PO43-.

문제 62b

Predict the chemical formulas of the compounds formed by the following pairs of ions: (b) Fe3+ and O2-

문제 62c

Predict the chemical formulas of the compounds formed by the following pairs of ions: (c) Hg22+ and CO32-

문제 62d

Predict the chemical formulas of the compounds formed by the following pairs of ions: (d) Ca2+ and ClO3-

문제 62e

Predict the chemical formulas of the compounds formed by the following pairs of ions: (e) NH4+ and PO43-.

문제 63

Complete the table by filling in the formula for the ionic compound formed by each pair of cations and anions, as shown for the first pair. Ion K⁺ NH₄⁺ Mg²⁺ Fe³⁺ Cl^- KCl OH^- CO₃^2- PO₄^3-

Complete the first row of the table.

Complete the second row of the table.

Complete the third row of the table.

Complete the fourth row of the table.

문제 64

Complete the table by filling in the formula for the ionic compound formed by each pair of cations and anions, as shown for the first pair. Ion Na+ Ca2+ Fe2+ Al3+ O2- Na2O NO3- SO42- AsO43-

문제 65a

Predict whether each of the following compounds is molecular or ionic: (a) B2H6

문제 65b

Predict whether each of the following compounds is molecular or ionic: (b) CH3OH

문제 65e

Predict whether each of the following compounds is molecular or ionic: (e) CsBr

문제 65f

Predict whether each of the following compounds is molecular or ionic: (f) NOCl

문제 65h

Predict whether each of the following compounds is molecular or ionic: (h) Ag2SO4.

문제 66a

Predict whether each of the following compounds is molecular or ionic. a. PF5

문제 66b

Predict whether each of the following compounds is molecular or ionic. b. NaI

문제 66d

Predict whether each of the following compounds is molecular or ionic. d. Ca(NO₃)₂

문제 66e

Predict whether each of the following compounds is molecular or ionic. e. FeCl3