Which Element Labeled A-E in the Periodic Table Below Will

question 68

Multiple Choice

Which element labeled A-E in the periodic table below will have an ionic charge of -1?

• A)A
• B)B
• C)C
• D)D

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Definitions:

Teratogens

Substances or factors that can cause congenital deformities or developmental abnormalities in an embryo or fetus.

Blastocyst

An early stage in the development of an embryo, consisting of a sphere of cells surrounding a fluid-filled cavity, before implantation in the uterus.

Ectoderm

The outermost layer of cells or tissue of an embryo in early development, which gives rise to the central nervous system, skin, and other structures.

Endoderm

The innermost layer of cells or tissue of an embryo in early development, which gives rise to the lining of some internal structures like the gut.