Match Each of the Following Elements to Its Description

question 30

Multiple Choice

Match each of the following elements to its description.
-Iron (Fe)

• A)This element has 5 valence electrons and is a poison that can be found in drinking water.
• B)Having 8 protons, this element is essential for life.
• C)One of the only elements to exist as a liquid at room temperature, this is a dangerous environmental toxin that accumulates in fish.
• D)This element loses 2 electrons to form a +5 ion; not consuming enough of it can increase risk of osteoporosis.
• E)This element gains three electrons when forming an ion; it also helps form an essential source of energy for cells.
• F)This is one of the transition elements, and is essential for the function of the protein hemoglobin.

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Definitions:

Vascular Bundles

Structures in plants that contain xylem and phloem, responsible for the transport of water, nutrients, and sugars.

Sclereids

A type of plant cell known for their thick, lignified walls, contributing to the hardness of seeds, nuts, and fruit pits.

Lateral Roots

Secondary roots that grow out from the main root, improving the plant’s stability and water absorption.

Palisade Mesophyll

The layer of vertically elongated cells found in the leaves of plants, rich in chloroplasts, where most photosynthesis occurs.