There are 118 elements in the periodic table, each with a unique symbol and atomic number. Symbol: A one or two-letter abbreviation used to represent the element. Atomic number: The number of ...

The same chemical symbols are used all over the world ... including carbon and sulfur. Non-metal oxides react with bases and neutralise them. Some non-metal oxides dissolve in water and, when ...

That’s our symbol equation. If you look carefully you can see that there are the same number of each element on both sides of the equation. There’s one magnesium, two hydrogen, one sulfur ...