What are the 1 to 20 elements?
In order of increasing atomic number, the first 20 elements and their symbols are:
- Hydrogen (H)
- Helium (He)
- Lithium (Li)
- Beryllium (Be)
- Boron (B)
- Carbon (C)
- Nitrogen (N)
- Oxygen (O)
What is the 118 element of periodic table?
Oganesson
The elements of the periodic table sorted by atomic number
| Atomic number | Name chemical element | Symbol |
|---|---|---|
| 115 | Moscovium | Mc |
| 116 | Livermorium | Lv |
| 117 | Tennessine | Ts |
| 118 | Oganesson | Og |
What are the names of some elements?
Elements Ancient and Modern. Some elements have been known for thousands of years, and we do not know who discovered them. These are: antimony, arsenic, carbon, copper, iron, gold, lead, mercury, silver, sulfur, and tin.
What are the rules of naming elements?
Rules for Naming Molecular Compounds: Remove the ending of the second element, and add “ide” just like in ionic compounds. When naming molecular compounds prefixes are used to dictate the number of a given element present in the compound. If there is only one of the first element, you can drop the prefix.
How are elements named?
Official element names and symbols are determined by the International Union of Pure and Applied Chemistry (IUPAC).
What are all the elements and their symbols?
Hydrogen (H)