Match Each of the Following Elements to Its Description

question 16

Multiple Choice

Match each of the following elements to its description.
-Oxygen (O)

• 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 +7 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.

---

Definitions:

Hydraulic Drum Brake

A type of brake that uses hydraulic pressure to press brake shoes against a drum attached to the wheel, generating friction to stop the vehicle.

Mechanical Brake Linkages

Components that mechanically connect the brake pedal to the brake mechanism, enabling the transfer of force from the pedal to the brakes.

1930s

A decade characterized by the Great Depression, major economic downturns, and significant advancements in technology and culture.

Non-servo

Relates to a system or mechanism that does not use servos or automatic feedback for control, often relying on manual operation.