How Does the Periodic Table Substantiate Atomic Theory

question 77

Multiple Choice

How does the periodic table substantiate atomic theory?

• A)Both are theoretical and cannot support each other.
• B)Groups in the periodic table have similar properties based on similar features of atomic structure, namely, the same number of valence electrons per atom.
• C)All elements in a given period of the periodic table have the same number of valence electrons.
• D)Mendeleev declared consistency between the periodic table and atomic theory.

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Definitions:

Cortex

In plants, the layer of tissue between the vascular bundle and the epidermis in stem and root; in the brain, the outer layer of neural tissue.

Casparian Strips

A band of cell wall material found in the endodermal cells of plant roots, blocking the passive flow of substances into the plant's vasculature.

Endodermis

The innermost layer of cells in the cortex of plants, serving as a selective barrier that regulates the passage of substances from the soil into the vascular cylinder.

Epidermis

The outermost layer of cells in plants and animals, providing protection against environmental factors.