The type of chemical bond which forms by sharing electrons is ionic
a id is a group of elements of that you want to style in a particular way
Unicode is a universal computing standard to represent texts in most writing systems. It was invented to store most of the world's characters. It started during 1987. Joe Becker from Xerox was the one who made a proposal for Unicode.
Answer:
classic A4 format, and therefore for 210 x 297 mm sheets
