What is the meaning of Alphabet of Lines? The suffix ar also has Old French and Anglo-French roots, and it replaced the Middle English suffix er.. The suffix ar is also commonly used to form certain nouns, such as burglar, cellar, liar, scholar, mortar, poplar and vinegar. If a root word ends with r, then the suffix al is often used.
What is the difference between compounds and molecules? A compound is two or more elements chemically combined either by ionic bonding or covalent while A molecule is two or more atoms bonded to one another by covalent bonding, the â¦ atoms may be of the same or different elements.
Answers. Best Answer: A molecular compound, as opposed to an ionic substance, is a pure substance that is formed from nonmetals. It has a fairly low melting point, and can only conduct electricity unless it is aqueous and polar. Another important difference between the two is that an ionic compound is a crystalline solid at standard temperature and pressure (STP), whereas a molecular compound can be in a solid, gas or liquid state at STP. Source(s): groma Â· 6 years ago.