Brass is an example of a mixture of two elements: copper and zinc. It can contain as little as 10%, or as much as 45%, zinc. Another difference between compounds and mixtures of elements is the ease with which the elements can be separated.ome of the differences between chemical compounds and mixtures of elements are illustrated by the following example using raisin bran and Crispix.. Raisin bran has the following characteristic properties of a mixture.
The following list summarizes selected foods containing high levels of Vitamin K, as measured by the U. S. Department of Agriculture. By far, the major source of Vitamin K is green, leafy, vegetables-kale, collards, spinach, and turnip greens are the highest. Vitamin K aids blood clotting, protects the heart, and helps to build bones. Those who need to increase their Vitamin K intake can select foods from this high Vitamin K food summary list. It is not necessary to take Vitamin K supplements, to achieve a high level of Vitamin K nutrition. Warfarin Patients Others, who wish to avoid Vitamin K because they are taking Coumadin, may also use the list to help themselves avoid excessive blood thickening.
Cereals, grains, and other milled products are low in vitamin K. Keep in mind that the amount of foods you eat with vitamin K add up. So if you eat a more foods that contain medium amounts of vitamin K in a particular day, your vitamin K intake will be high for that day.