The atoms form positive and negative ions which attract to each other. Ionic compounds are composed of large numbers of positive ions (cations) and negative ions (anions) so that the amount of positive charge equals the negative charge. In covalent bonds the electrons are shared between two bonded atoms.
4. Try doing a gradation of color by selecting a shirt and tie that are the same color, but in lighter or darker shades. For example, pair a light blue dress shirt with a medium blue tie. 5. For business interviews and important meetings, keep your tie color classic and conservative.
Unless requested, itâs still never okay to wear white to a wedding! White Tie. The most formal of all events (think royal balls and stately dinners), when an invitation calls for White Tie it means a tuxedo jacket with tails, a white pique vest, a white bow tie, and gloves for the guys!