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.
While chromium is not as abundant as other elements in the Earth's crust, it is considered relatively common. Chromium is typically found in ores such as chromite, and its wide range of industrial applications has led to extensive mining and processing of the metal.
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
The relative abundance of boron in the Earth's crust is approximately 10 parts per million (ppm). Boron is considered a rare element in the Earth's crust, making up only a small fraction of the overall composition.
The abundance of gallium in Earth's crust is approximately 19 parts per million. It is a relatively rare element, found primarily in trace amounts in various minerals and ores.
Chromium fluorides are: Chromium difluoride: CrF2 Chromium trifluoride: CrF3 Chromium tetrafluoride: CrF4 Chromium pentafluoride: CrF5 Chromium hexafluoride: CrF6
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its the percentage in mass !
Neodymium is relatively abundant in the Earth's crust, with an average concentration of about 38 parts per million. It is considered a relatively common rare-earth element compared to others in the lanthanide series.
The Earths crust is approximately 650 km deep.
Lithium is the 25th most abundant element in Earth's crust, with an average concentration of about 20 parts per million (ppm). This makes it relatively rare compared to other elements like silicon and oxygen.
Protactinium is so scarce that the abundance in the Earth crust was not determined.
The sudden vibration in the plates inside the crust causes the earths crust to rise & fall.
-2.3
Quartz
mantle
The crust is the layer of the Earth that contains granite and basalt in the greatest abundance. These rocks are commonly found in the continental crust (granite) and oceanic crust (basalt).
The earth's crust is not stress