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.
Distinguish between empirical, molecular and structural formulas. The empirical formula gives the simplest ratio between atoms in a molecule, whilst the molecular formula gives the actual number of atoms in the molecule. There are 3 types of structural formula which must show how the atoms are arranged in the molecule. Thank 5.