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Chapter 6: Q. 6.13 (page 173)

State the number of proeons and electrons in each of the following ions:

a. O2-, ased to huild hiomolecules and water

b. K+, most prevaleat positive ion in cells; needed for muscle contraction, nerve impulses

c. I-needed for thyroid function

d. Na+, most prevalent positive ion in extracellular fluidffver

Short Answer

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Step by step solution

01

Given information (part a)

  • The charge for Na+ion is 1+but the charge for O2-ion is 2-. Two Na+ions and one O2-ion are used to balance the charge 2脳(1+)+(2-)=0.
  • Write the positive ion first, then the negative ion in the ionic formula
  • NaO2is the correct ionic formula for the compound.
02

dv

  • The charge for ion is but the charge for is . Two ions and one ion are used to balance the charge .
  • Write the positive ion first, then the negative ion in the ionic formula
  • is the correct ionic formula for the compound.

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Most popular questions from this chapter

Identify each of the compounds in problem 6.89 as ionic or molecular.

State the number of valence electrons, bonding pairs, and lone pairs in each of the following Lewis structures:

Write the formula for each of the following ionic compounds:(6.2,6.3)

(a) nickel(III) oxide

(b) iron(III) sulfide

(c) lead(II) sulfate

(d) chromium(III) iodide

(e) lithium nitride

(f) gold(I) oxide

Name each of the following molecular compounds:

a. SiF4

b.IBr3

c. CO2

d.N2F2

e.N2S3

The following compounds contain ions that are required in small amounts by the body. Write the formula for each.

a. potassium phosphide

b. copper(II) chloride

c. iron (Ill) bromide

d. magnesium oxide
See all solutions

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