Hemolytic uremic syndrome. This rare disorder causes a sharp drop in platelets, destruction of red blood cells and impairment of kidney function. Sometimes it can occur in association with a bacterial Escherichia coli (E. coli) infection, such as may be acquired from eating raw or undercooked meat.
Atomic mass is measured in atomic mass units, or amu. Atomic mass units were taken from one proton or neutron of carbon-12, which each weigh 1 amu. Carbon-12 weighs exactly 12 amu. On the periodic table , you can see that carbon (C) has a number underneath it that is very close to 12. This is called the atomic mass.
Metric units of mass. Mass is used to measure the weight of an object. For example, you are measuring the mass of your body when you step on to a scale. In the metric system of measurement, the most common units of mass are the gram and kilogram. How much is a gram? A small paperclip has a mass of about 1 1 1 1 gram: