complete the following table: some polyatomic ions name chemical formula po₄³⁻ no₃⁻ cn⁻ h₃o⁺

Question

Accepted Answer

# Explanation:
## Step1: Recall poly - atomic ion names
The ion $PO_{4}^{3 - }$ is called phosphate ion.
## Step2: Recall another ion name
The ion $NO_{3}^{-}$ is called nitrate ion.
## Step3: Recall more ion names
The ion $CN^{-}$ is called cyanide ion.
## Step4: Recall the last ion name
The ion $H_{3}O^{+}$ is called hydronium ion.
# Answer:
| name | chemical formula |
|--|--|
| phosphate ion | $PO_{4}^{3 - }$ |
| nitrate ion | $NO_{3}^{-}$ |
| cyanide ion | $CN^{-}$ |
| hydronium ion | $H_{3}O^{+}$ |

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Question

Explanation:

Step1: Recall poly - atomic ion names

Step2: Recall another ion name

Step3: Recall more ion names

Step4: Recall the last ion name

Answer:

name	chemical formula
nitrate ion	$NO_{3}^{-}$
cyanide ion	$CN^{-}$
hydronium ion	$H_{3}O^{+}$