Which of the Following Species Has an Atom That Has

question 10

Multiple Choice

Which of the following species has an atom that has an unfilled valence shell of electrons?

• A) molecular hydrogen, H₂
• B) hydroxide anion, HO^-
• C) boron trifluoride, BF₃
• D) water, H₂O

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Definitions:

Sterile Gloves

Medical gloves that have been treated to eliminate all microorganisms, used to prevent contamination during medical procedures and surgeries.

Water-seal Chest Drainage Unit (CDU)

A medical device used to remove air, pus, or fluid from the pleural space to prevent lung collapse, using a water seal to prevent backflow.

Hygiene Care

Practices aimed at maintaining cleanliness and promoting health through personal grooming and environmental cleanliness.

RSV

Respiratory Syncytial Virus, a common virus that causes respiratory infections, especially in young children.