Beyond the fact that the radio-elements were in present course of evolution, it added little to the conceptions of chemistry. But in the second and more recent phase—concerned with the chemical ...

The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

That pun is based on the fact that the main building blocks in the branch of science are chemical elements, pure substances ...

These elements, which are the constituents of immense ... unless they are restrained by chemical combination. They then collect around the great centers of attraction constituted by the stars ...

New LIBS microscope developed by French deep tech startup hastens atomic composition analysis to a few minutes instead of ...

Scientists have created a catalyst for hydrogen generation from ammonia that becomes more active with time, and by counting ...

Everything we can see and touch, and quite a lot that we can’t as well, is made of tiny particles called atoms. Some substances, like particles of this iron, contain only one kind of atom.

Researchers have developed a new catalyst that uniquely increases in activity over time, unlike most that degrade. This ...

One such element is Promethium, and a new study from scientists at Oak Ridge National Laboratory has successfully analyzed ...

The Law of Conservation of Mass dates from Antoine Lavoisier's 1789 discovery that mass is neither created nor destroyed in chemical reactions. In other words, the mass of any one element at the ...