Se

Sequence that represents the series of eating and being eaten is called

• food series

• food chain

• food web

• food hub

Tags

NGSS.MS-LS2-3

What is the atomic number of Selenium (Se)?

• 32

• 34

• 36

• 38

Which of the following is a common use of Selenium (Se) in industry?

• As a semiconductor in electronics

• As a fuel additive

• As a food preservative

• As a dye in textiles

Selenium (Se) is primarily obtained from which type of mineral deposits?

• Sulfur deposits

• Copper deposits

• Iron deposits

• Gold deposits

What is the electron configuration of Selenium (Se)?

Tags

NGSS.HS-PS1-1

Which of the following compounds contains Selenium (Se)?

• Sodium selenide (Na2Se)

• Calcium carbonate (CaCO3)

• Magnesium sulfate (MgSO4)

• Potassium chloride (KCl)

Tags

NGSS.MS-PS1-1

Selenium (Se) is an essential trace element for which of the following biological functions?

• Thyroid hormone metabolism

• Bone formation

• Blood clotting

• Muscle contraction

What is the most stable oxidation state of Selenium (Se) in compounds?

• -2

• 0

• +2

• +4

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following is a property of Selenium (Se)?

• It is a good conductor of electricity

• It is a non-metal

• It is a liquid at room temperature

• It is highly reactive with water

Selenium (Se) is often used in photocells because of its ability to:

• Conduct electricity when exposed to light

• Emit light when heated

• Absorb ultraviolet radiation

• Reflect infrared radiation