Most carbon atoms have six neutrons. Although carbon is defined as having six protons, the number of neutrons in a carbon nucleus can vary, which gives rise to the various isotopes of carbon. Fifteen isotopes of carbon, ... More »

Magnesium has 12 neutrons. An alkaline earth metal, magnesium also has 12 electrons and 12 protons. Its chemical symbol is Mg, and it has an atomic number of 12. More »

There are six naturally occurring stable isotopes of palladium, the most common of which has 60 neutrons. Palladium has 46 protons, and its atomic number is therefore 46. Its chemical symbol is Pd. More »

Alkanes are a class of organic chemicals that all have single bonds between carbon atoms, alkenes are organic compounds with at least one double bond between a pair of carbon atoms and alkynes feature at least one triple... More »

The Bohr model of carbon has a central nucleus containing six protons and six neutrons, encircled by an inner orbit of two electrons and an outer orbit of four electrons. The two orbits represent different energy levels ... More »

The structure of an aspirin molecule is formulated as C9H8O4, meaning that it has nine carbon atoms, eight hydrogen atoms and four oxygen atoms. There are several chemical names for aspirin, including acetylsalicylic aci... More »

To draw the structural formula of hexene, start with six carbon atoms in a line. Draw a double bond between the first and second carbon atoms, and then add single bonds between the rest. Then, add hydrogens to all the ca... More » Science Chemistry Atoms & Molecules