periodic table
Pronunciation
Noun
B2 Upper-intermediate
Quick answer
A chart that arranges all the known chemical elements by their atomic number and properties.
Test yourself
Which word fits the gap? "Elements in the same column of the _____ tend to share similar chemical properties."
Answer: periodic table
In your own words, what does "periodic table" mean?
A chart that arranges all the known chemical elements by their atomic number and properties.
Learn next at B2
- periphery The outer edge or boundary of an area, or a marginal, less central pos...
- peristalsis The wave-like muscle contractions that push food along the digestive t...
- permeability The degree to which a material allows liquids, gases or other substanc...
- permeable Allowing liquids or gases to pass through.
- permutation One possible arrangement of a set of items in a particular order.
- perplex To confuse or puzzle someone.