Which of the Following Equations Best Illustrate the Net Ionic

question 40

Multiple Choice

Which of the following equations best illustrate the net ionic equation for the reaction of radium chloride with potassium sulfate?

• A) RaCl₂ + K₂SO₄ → RaSO₄ + 2 KCl
• B) Ra²⁺ (aq) + 2 Cl^{1 −} (aq) + 2 K¹⁺ (aq) + SO₄^{2 −} (aq) → RaSO₄ (s) + 2 Cl^{1 −} (aq) + 2 K¹⁺ (aq)
• C) Ra²⁺ (aq) + SO₄^{2 −} (aq) → RaSO₄ (s)
• D) Ra²⁺ (aq) + 2 Cl^{1 −} (aq) + 2 K¹⁺ (aq) + SO₄^{2 −} (aq) → RaSO₄ (s) + 2 KCl (aq)

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Definitions:

Hypoblast

The layer of cells inside the blastocyst (an early stage of the embryo), which contributes to the formation of the yolk sac and is involved in early embryonic development.

Epiblast

A layer of cells derived during the early development of an embryo, giving rise to all three primary germ layers.

Fertilization

Process that begins with the penetration of the secondary oocyte by the spermatozoon and is completed with the fusion of the male and female pronuclei.

Implantation

The process by which a fertilized egg attaches to the lining of the uterus, beginning the stages of pregnancy.