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 longest chapter in the book is the last one called âThe Future of Africaâ. The most common punctuation marks in English are: capital letters and full stops, question marks, commas, colons and semi-colons, exclamation marks and quotation marks.