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.
Knit ties are great for casual, cool, and confident style and work well in a variety of situations. Here are a few style tips for wearing a knit tie. Style Tip No. 1: A silk knit tie can be a little challenging to tie, especially when it comes to making sure the knot will hold. The fabric needs to be knotted fairly tightly in order to remain in place. Use a classic four-in-hand (or double four-in-hand) and pull tightly.