This list contains the 118 elements of chemistry. Click on any element s name for further chemical properties environmental data or health effects. Chemical elements listed by symbol the elements of the periodic table sorted by symbol.
The elements of the periodic table sorted by symbol. 118 elements and their symbols and atomic numbers the periodic table of elements is widely used in the field of chemistry to look up chemical elements as they are arranged in a manner that displays periodic trends in the chemical properties of the elements. Stp occurrence description 1 hydrogen h 1 1 s gas primordial non metal 2 helium he 18 1 s gas primordial noble gas 3 lithium li 1 2 s solid primordial alkali metal 4 beryllium be 2 2 s solid primordial alkaline earth metal 5 boron b 13 2 p.
List of elements atomic number name symbol group period number block state at. Look up chemical element names symbols atomic masses and other properties visualize trends or even test your elements knowledge by playing a periodic table game. Interactive periodic table with up to date element property data collected from authoritative sources.
To learn more about the first 20 elements and to access more data pages on the chemical elements such as a list of all 118 elements with their symbols and atomic numbers register with byju s and download the mobile application on your smartphone. The symbol of lead is pb which denotes the latin name plumbum. A popular visualization of all 118 elements is the periodic table of the elements a convenient tabular arrangement of the elements by.
A chemical element often simply called an element is a species of atoms which all have the same number of protons in their atomic nuclei i e the same atomic number or z. This is a list of the 118 chemical elements which have been identified as of 2020. For example element 120 has the temporary name unbinilium.
The systematic element name is a temporary name that is based on the atomic number as a root and the ium ending as a suffix. Before a name and symbol are approved an element may be referred to by its atomic number e g element 120 or by its systematic element name. We can determine the number of electrons by subtracting the atomic number from the mass number leaving us with 21 neutrons for ca 41 22 neutrons for k 41 and 23 neutrons for ar 41.
Ca has 20 k has 19 and ar has 18.
Nuclear symbol element. A list of current dated as well as proposed and historical signs and symbols is included here with its signification also given is each element s atomic number atomic weight or the atomic mass of the most stable isotope group and period numbers on the periodic table and etymology of the symbol. Hazard pictographs are another type of symbols used in chemistry. The element symbol for oxygen is o and its atomic number is 8. The mass numbers for oxygen must be 8 8 16.
8 9 17. 8 10 18. The nuclear symbols are written this way again pretend the superscript and subscript are sitting right on top of each other beside the element symbol. 16 8 o 17 8 o 18 8 o.
The element symbol allows up to identify the number of protons in each element.
The element symbol allows up to identify the number of protons in each element. 16 8 o 17 8 o 18 8 o. The nuclear symbols are written this way again pretend the superscript and subscript are sitting right on top of each other beside the element symbol.
8 10 18. 8 9 17. The mass numbers for oxygen must be 8 8 16.
The element symbol for oxygen is o and its atomic number is 8. Hazard pictographs are another type of symbols used in chemistry. A list of current dated as well as proposed and historical signs and symbols is included here with its signification also given is each element s atomic number atomic weight or the atomic mass of the most stable isotope group and period numbers on the periodic table and etymology of the symbol.
