Atomic Radius Generally Increases as We Move

question 109

Multiple Choice

Atomic radius generally increases as we move .

• A) down a group; the period position has no effect
• B) up a group and from right to left across a period
• C) up a group and from left to right across a period
• D) down a group and from right to left across a period
• E) down a group and from left to right across a period

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Definitions:

Lignin

A complex organic polymer found in the cell walls of many plants, making them rigid and woody and providing structural support.

Sclerenchyma

In plants, simple tissue composed of cells that die when mature; their tough walls structurally support plant parts. Includes fibers, sclereids.

Ground Tissue

A plant tissue system that makes up the bulk of most plants, involved in photosynthesis, storage, and support; includes parenchyma, collenchyma, and sclerenchyma cells.

Plant Body

The physical structure of a plant, including roots, stems, leaves, and reproductive structures, which function together in growth, reproduction, and survival.