Questions: What is the arrow pointing to? hydroxide ion hydrogen ion hydronium ion electron water molecule

What is the arrow pointing to?
hydroxide ion
hydrogen ion
hydronium ion
electron
water molecule
Transcript text: What is the arrow pointing to? hydroxide ion hydrogen ion hydronium ion electron water molecule
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Solution

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Solution Steps

Step 1: Identify the symbol and charge

The arrow is pointing to a single atom with a positive charge (+).

Step 2: Determine the possible ions
  • Hydroxide ion (OH⁻) has a negative charge.
  • Hydrogen ion (H⁺) has a positive charge.
  • Hydronium ion (H₃O⁺) is a molecule with a positive charge.
  • Electron has a negative charge.
  • Water molecule (H₂O) is neutral.
Step 3: Match the charge and structure

The positive charge (+) indicates it is a hydrogen ion (H⁺), as it is the only single atom with a positive charge among the options.

Final Answer

Hydrogen ion

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