Zinc is very plentiful. It can be found everyone and also it is in the air we breathe in, water we use or drink from, and in the soil where we plants stuff. It also makes up the earth's crust.
Chromium is pretty plentiful. It is the 21st most common element in the crust of the earth and it is often used to create pigments.
Chromium exists in the crust at somewhere between 100 to 300 parts per million, about 20th on the list of abundant crustal elements.
Abundance of radium in the earth crust: 9.10-10 mg/kg Abundance of radium in the sea water: 8,9.10-14 mg/L
Aluminum
aluminum
The abundance of platinum in the Earth crust is 0,003-0,004 ppm.
Although nitrogen is about 3/4 of the volume of air it is 30th in abundance of the elements in the earth's crust. For an explanation you might wish to see wikipedia.
The abundance of neodymium in the earths crust is approx. 40 ppm.
blah
its the percentage in mass !
The abundance of lithium in the Earth crust is cca. 20 ppm.
The abundance of radium in the earth crust is 9.10-10 mg/kg.
silicon percent abundance in earths crust poops
The earths crust is a part of the outermost layer.
Silicon is a mixture of the minerals of the earths crust. so.... silicon isn't something from the earths crust. -thanks for your question.
thinner and denser
The Earths crust is approximately 650 km deep.
Protactinium is so scarce that the abundance in the Earth crust was not determined.
how wide is the earths crust