Each of its molecules contains two hydrogen atoms and ... Three metals (iron, cobalt and nickel) are magnetic. Steel is a mixture of elements but it is mostly iron, and it is also magnetic.

Study discovered that tiny electrical sparks, called microlightning, form when water droplets collide. These can create ...

A western blot is a laboratory method used to detect specific protein molecules from among a mixture of proteins. This mixture can include all of the proteins associated with a particular tissue ...

In the real world, chemists don’t take single atoms and put them together to make individual molecules of a new substance. Instead, they mix substances that have huge numbers of atoms which react to ...

This is because they are not chemically bonded together. A particle diagram of a mixture can include atoms and molecules, but they are not bonded together. This particle diagram shows air.

Life may not have begun with a dramatic lightning strike into the ocean but from many smaller "microlightning" exchanges ...

One famous experiment conducted in 1952 by American chemists Stanley Miller and Harold Urey provided a possible explanation: ...