2. What is the difference between a formula unit for an ionic compound and a molecular formula

for a molecule?

Explanation:

In chemistry, a formula unit refers to the empirical formula of any ionic or covalent network solid compound used as an independent entity for stoichiometric calculations. A formula unit is thus the lowest whole number ratio of ions represented in an ionic compound.

While

A molecular formula comprises the chemical symbols for the constituent elements, followed by numeric subscripts specifying the number of atoms of each element present in a molecule.

it is a solid

explanation:

the transfer of heat by electromagnetic radiation is called thermal radiation . it is usually carried out by electromagnetic waves in an energy range just below the visible spectrum, which is the infrared range.

so the answer would be radiation.

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