The table shows the abundance of elements in Earth’s crust. Numbers show percentage or parts per million (ppm) in mass; 10,000 ppm = 1%.
Note that numbers are estimates, and they will vary depending on source and method of estimation. Order of magnitude of data can roughly be relied upon.
use link:-http://en.wikipedia.org/wiki/Abundance_of_elements_in_Earth’s_crust
The most abundant element in the universe is hydrogen, which makes up about 3/4 of all matter…. Helium makes up most of the remaining 25%…. Oxygen is the third most abundant element in the universe. All of the other elements are relatively rare.
Anbu
The table shows the abundance of elements in Earth’s crust. Numbers show percentage or parts per million (ppm) in mass; 10,000 ppm = 1%.
Note that numbers are estimates, and they will vary depending on source and method of estimation. Order of magnitude of data can roughly be relied upon.
use link:-http://en.wikipedia.org/wiki/Abundance_of_elements_in_Earth’s_crust
RANJIT VARADARAJAN
Coal
Nivassundar
coal
iron and nickel
coal
coal only
The most abundant element in the universe is hydrogen, which makes up about 3/4 of all matter…. Helium makes up most of the remaining 25%…. Oxygen is the third most abundant element in the universe. All of the other elements are relatively rare.
coal…
FAUZIA NESHAT
coal…