The colors of rubies and emeralds are so striking that they define shades of red and green – ruby red and emerald green. But ...
The modern periodic table, arranged in rows and columns, was first introduced by Dmitri Mendeleev in 1869. At the time, it included the known elements and their properties, but Mendeleev predicted ...
This group is diverse, with an increasing number who say they are of two or more races. For Black History Month, here are key facts about the nation’s Black population. In this analysis, the ...
From many facts it is apparent today that there are ... “natural system” or periodic system of the elements. The periodic table thus established remained until the end of the last century ...
Why should we appreciate our nervous system? Read these 11 fun facts and you’ll know why: 1. The body has billions of nerve cells Every person’s body contains billions of nerve cells (neurons).
As we ease into 2019, here are 19 interesting facts about the number 19: 1. 19 is the eighth prime number, a number that can only be divided by one and itself. 2. The Chinese game of Go is played ...
I am an inorganic chemist. Researchers in my field work to understand the chemistry of all the elements that make up the periodic table. Many inorganic chemists focus on the transition metals ...
How do we calculate mass and atomic numbers? VideoHow do we calculate mass and atomic numbers? This video is an interactive lesson in calculating an atom's mass and atomic number.
Dundee Precious Metals Inc. (TSX: DPM) (“DPM” or the “Company”) announced its operating and financial results for the quarter and year ended December ...
We present a general method for solving the modified Helmholtz equation without shape approximation for an arbitrary periodic charge distribution, whose solution is known as the Yukawa potential or ...