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.
In addition to meat and poultry, K2 occurs naturally in a number of other animal-based foods, most notably cheese, eggs and butter. According to USDA data provided by FoodInfo.us, 100 grams of cream cheese contains 19.7 micrograms of K2, while 100 grams of dried egg mix has 11.4 micrograms.
1 A number of foods contain vitamin K, including green, leafy vegetables such as spinach, broccoli and lettuce, and beef, chicken and pork liver. 2  Green tea is a wonderful source of vitamin K. In this section, learn which foods are the best vitamin K sources. Learn more about this important vitamin on this page. 2  Foods That Contain Vitamin K Some vitamin K is produced naturally in the body with the help of bacteria; however, it's our responsibility to include vitamin K in our diet, as well.