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.
So many men choose the wrong tie color and/or pattern for their outfits. In terms of color, choose a shade that compliments your shirt and suit. In doubt wear a dark navy, or charcoal suit, and a white dress shirt as any color tie will compliment. The necktie is usually the focal point of your ensemble.