A fundamental piece of matter. It is the smallest object that retains the properties of the element.
It is composed of a positively charged nucleus and a negatively charged cloud of electrons.
Tag: wordoftheday
Vinculum
Most commonly the horizontal line above the repetend in a decimal.
Previously, it was used to indicate a group of terms in a mathematical expression. This has been replaced with parentheses.
Repetend: a repeated number or series of numbers; similarly, it is also means a repeated word or phrase.