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Chapter 6: Q. 6.92 (page 203)

Identify each of the compounds in problem 6.90 as ionic or molecular.

Short Answer

Expert verified
  • Calcium carbonate - Ionic compound
  • Carbon dioxide- Molecular compound
  • Iron(II)Sulphate-Ionic compound

Step by step solution

01

Given information.

We have been given that,

Calcium carbonate, Carbon dioxide , Iron(II) sulfate

We need to find the whether they are ionic or molecular compound.

02

Simplify.

Calcium carbonate - Ionic compound

  • White crystalline powder.
  • Reacts with water to form calcium bicarbonate.
  • Found as a mineral calcite, aragonite.

Carbon dioxide- Molecular compound

  • Found naturally in atmosphere.
  • Planar molecule.
  • Main contributor for global warming.

Iron(II)Sulphate-Ionic compound

  • Used to treat anaemia, iron deficiency.
  • Weak acid.
  • It is blue green chemical.

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Most popular questions from this chapter

Write the correct formula for the following ionic compounds :

a. aluminum chlorate b. ammonium oxide

c. magnesium bicarbonate d. sodium nitrite

e. copper(I) sulfate

Identify each of the following molecules as polar or nonpolar:
a. SeF2
b. PBr3
c. SiF4
d. SO2

State the number of electrons that must be lost by atoms of each of the following to achieve a stable electron arrangement:

a. Li b. Ca c.Ga d.Cs e.Ba

Write the correct formula for the following ionic compounds :

a. barium hydroxide b. sodium hydrogen sulfate

c. iron(II) nitrite d. zinc phosphate

e. iron(III) carbonate

Consider an ion with the symbol X2+formed from a representative

element.

a. What is the group number of the element?

b. What is the Lewis symbol of the element?

c. If Xis in Period 3, what is the element?

d. What is the formula of the compound formed from Xand

the nitride ion?
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