Ions

What is the name of ${{\mathrm{CO}}_3}^{-2}$ ion?

What is the name of ${\mathrm{S}}^{-2}$ ion?

Potassium and potassium ions:

Define electron affinity enthalpy.

Why does an anion have negative charge on it?

_____ is the positively charged atom or group of atoms.

Explain why the size of the cation is smaller than its corresponding atom.

Define ionisation enthalpy.

Write few examples of mono-atomic cations.

Which of the following is a simple radical?

Explain the classification of radicals based on the charge present in it.

What are radicals?

Give one or two word(s) for the following:
A group of atoms that carries a charge and functions as a single unit.

Give one or two word(s) for the following:

$\mathrm{Al}({\mathrm{NO}}_3{)}_3$.

Define the following terms.

Radicals. 

Radicals do not carry any charge.

Give one/two word(s) for the following:

 An atom or molecule with a positive or negative charge.

Unscramble the words to get the answer.

Cation with the symbol ${\mathrm{Li}}^{+}$  (IHLTIMU)

Unscramble the words to get the answer.

Molecules that contain only one atom. (MAOITONOMC).

A group of atoms carrying a fixed charge on them are called _____ ions.