Lithium has a work function of 2.3ev. If 400nm light is incident on it, what is the maximum kinetic energy ? Chemistry Bohr Model of the Atom Calculations with wavelength and frequency
No. A comma precedes such as when what follows is an example of whatever went before. In this case, it is nonrestrictive. (For nonrestrictive constructions: use a comma.).
The commonly known ones are the comma, period, question mark, exclamation point, brackets, parentheses, semi-colon, colon, apostrophe, dash, hyphen, and quotation marks. There â¦ are others, which you can read about in the link below. ====14 punctuation marks in English grammar:1. Period (.)2. Ellipses (...)3.