Elements, Ions, and Polyatomic Ions

A set of fill-in-the-blank practice flashcards covering basic chemical elements, common ions, polyatomic ions, and their associated chemical symbols.

The element symbol for Hydrogen is __________.

$$H$$

The element symbol for Carbon is __________.

$$C$$

The element symbol for Nitrogen is __________.

$$N$$

The element symbol for Oxygen is __________.

$$O$$

The element symbol for Chlorine is __________.

$$Cl$$

The element symbol for Sodium is __________.

$$Na$$

The element symbol for Potassium is __________.

$$K$$

The element symbol for Phosphorus is __________.

$$P$$

The element symbol for Magnesium is __________.

$$Mg$$

The element symbol for Calcium is __________.

$$Ca$$

The element symbol for Iron is __________.

$$Fe$$

The element symbol for Iodine is __________.

$$I$$

The element symbol for Sulfur is __________.

$$S$$

The ion symbol for the Hydrogen ion is __________.

$$H^+$$

The ion symbol $Cl^-$ represents the __________ ion.

Chloride

The ion symbol for the Sodium ion is __________.

$$Na^+$$

The ion symbol for the Potassium ion is __________.

$$K^+$$

The ion symbol for the Magnesium ion is __________.

$$Mg^{2+}$$

The ion symbol for the Calcium ion is __________.

$$Ca^{2+}$$

The ion symbol $I^-$ represents the __________ ion.

Iodide

The polyatomic ion symbol for the Bicarbonate ion is __________.

$$HCO_3^-$$

The polyatomic ion symbol for the Hydroxide ion is __________.

$$OH^-$$

The polyatomic ion symbol for the Phosphate ion is __________.

$$PO_4^{3-}$$

The polyatomic ion symbol for the Sulfate ion is __________.

$$SO_4^{2-}$$

Negatively charged ions in the list feature a red __________ ending.

-ide