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.
Leafy Greens. Green leafy vegetables are the richest sources of vitamin K. The highest sources include parsley, kale and Swiss chard. One cup of raw parsley contains 984 micrograms of vitamin K; a cup of raw kale contains 472 micrograms; and 1 cup of raw Swiss chard contains 299 micrograms.