Chemistry: Atomic Number, Subatomic Particles, and Chemical Symbols

6

Au

Natural gas is mainly composed of methane, but may also contain small amounts of other hydrocarbons, carbon dioxide, nitrogen, and hydrogen sulfide.

<p>Methane</p> Signup and view all the answers

<p>Electron</p> Signup and view all the answers

<p>The chemical symbol for gold is Au, and its atomic number is 79.</p> Signup and view all the answers

<p>The subatomic particle with a negative charge is the electron. It is extremely small, has a negligible mass, and orbits the nucleus of an atom.</p> Signup and view all the answers

<p>The atomic number of carbon is 6, which indicates the number of protons in the nucleus of a carbon atom. This number also determines its unique chemical properties and its position in the periodic table.</p> Signup and view all the answers