When Calculating the Number of Electrons for the Lewis Structure

question 65

True/False

When calculating the number of electrons for the Lewis structure of a polyatomic ion,you must add one electron for each negative charge and subtract one electron for each positive charge.

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Definitions:

Casparian Strip

A band of cell wall material found in the roots of plants, acting as a barrier to the passive flow of substances.

Xylem

The vascular tissue in plants that conducts water and dissolved nutrients upward from the root and also helps to form the woody element in the stem.

Phloem

The vascular tissue in plants that transports sugars and other metabolic products downward from the leaves.

Mycorrhizal Relationship

A symbiotic association between a fungus and the roots of a vascular plant, benefiting both organisms, often by enhancing nutrient uptake.