In a pure sample, one (uranium itself). In ores, traces of lead, thorium and rare earth elements are usually present.
Rare lymphocytes can be caused by various factors such as viral infections, certain medications, autoimmune diseases, and genetic disorders. Additionally, conditions like leukemia and lymphoma can also lead to a decrease in the number of lymphocytes in the body.
Pb(IV) bicarbonate refers to lead(IV) bicarbonate, which is a chemical compound that consists of lead in its +4 oxidation state and bicarbonate ions. It is a rare and unstable compound that is not typically encountered in everyday settings due to the toxicity and scarcity of lead(IV) compounds. Lead(IV) compounds are known to be highly toxic and can be harmful to human health and the environment.
Displacements of the hip joint are rare because the hip joint is a ball-and-socket joint that is inherently stable due to its anatomy and surrounding ligaments. Additionally, the strong muscles and ligaments around the hip joint help to maintain its position and prevent excessive movement that could lead to a dislocation.
Are diamonds rare
yeah, native Pb is rare
Well if you live in China, not rare at all, infact its common to eat it.
True lead crystal glassware is rare nowadays because of its possible health risks. Lead-free crystal glass is typically sold nowadays because it does not contain lead oxide.
NO!!! PbO is lead oxide , and the lead is in oxidation state '2'.
Severe alcoholism can, in rare cases, lead to Korsakoff syndrome.
I Love Lucy
U.S. cents have never been made of lead. All 1941 cents were struck in bronze. These are not rare and sell for less than a nickel in average condition.
When these jars were made, they came into contact with lead; however, this does not mean the lead has seeped into the glass. To err on the side of caution, you should likely not can with them, as they may have trace amounts of lead in them. In addition, they are very rare canning jars and may be worth money to the right collector.
It's rare for guys to break up a great friendship over a girl.
It's rare, but depending on the person's health and physical reaction to fear, heart failure is a possibility.
Bismuth is a rare native crystal. Peru is one of the world's major sources. It is a beautiful crystal , as rare as silver and heavier than lead. This crystal has a rainbow of colors and looks metalic.
Yes it does, I recently ordered a 0.2 lead pencil from japan 3 weeks ago. Its extremely thin and breaks kinda quick. Its very rare to find one! I bought mine for 15$ + 2$ shipping. The lead is hard to find too cause you can't find a 0.2 lead pencil or the lead for it in stores.