periodic table meaning
ENWPeriodic table
- The periodic table is a tabular arrangement of the chemical elements, organized on the basis of their atomic number (number of protons in the nucleus), electron configurations, and recurring chemical properties.
- The rows of the table are called periods; the columns are called groups, with some of these having names such as halogens or noble gases.
- Although precursors exist, Dmitri Mendeleev is generally credited with the publication, in 1869, of the first widely recognized periodic table. He developed his table to illustrate periodic trends in the properties of the then-known elements.


- NounPLperiodic tablesPREpéri-SUF-able
- More Examples
- Used in the Middle of Sentence
- I put up a wallchart of the periodic table next to the blackboard.
- Used in the Middle of Sentence
Definition of periodic table in English Dictionary
- Part-of-Speech Hierarchy
- Nouns
- Countable nouns
- Countable nouns
- Nouns
Source: Wiktionary