The Oxide of Which Element,identified by Letters A,B,C,and D in the Following

question 43

Multiple Choice

The oxide of which element,identified by letters A,B,C,and D in the following periodic table,is most basic in its highest oxidation state?

• A)A
• B)B
• C)C

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Definitions:

Afterbirth

The placenta and fetal membranes expelled from the uterus following the birth of a baby.

Placental Stage

The third and final stage of childbirth where the placenta is delivered.

Trophoblast

The outer layer of a blastocyst, providing nutrients to the embryo and developing into a large part of the placenta.

Placenta

An organ that develops in the uterus during pregnancy to provide oxygen and nutrients to the growing baby, while removing waste products.