A polar covalent bond shares electrons unequally. Because of this  unequal sharing, one end of the molecule is slightly positive, and  the other end slightly negative.
Calories per Ingredient. Here are the foods from our food nutrition database that were used for the nutrition calculations of this recipe. Calories per serving of Turkey Burger - Sliders. 80 calories of Honey Suckle White 93/7 Fresh Ground Turkey, (2 oz) 26 calories of Bread crumbs, dry, grated, plain, (0.06 cup)
Each ketchup packet equals one serving. One packet contains 20 calories, most of which come from carbohydrates rather than protein or fat. As a comparison, a ketchup packet manufactured by McDonald's contains 15 calories. A Burger King ketchup packet contains about 10 calories.