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.
Atoms have the  same number of protons and electrons, â¦ because otherwise, you would  have an ion.   A molecule consists of two or more atoms bonded together.    Atoms are single units of elements.   Molecules are agglomerations of two or more atoms  (of the same or different elements). A molecule is the smallest  particle of a chemical compound. Molecules are formed by atoms in a  multitude of different arrangements.   - Most atmospheric oxygen forms diatomic molecules (O2),  but also ozone (O3)   - One molecule of water has one atom of hydrogen and two atoms of  oxygen. So-called heavy water contains deuterium, which is hydrogen  that has neutrons.