A table in which the chemical elements are arranged in order of increasing atomic number. Elements with similar properties are arranged in the same column (called a group), and elements with the same number of electron shells are arranged in the same row (called a period).
a radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms
Find another word for americium. In this page you can discover 3 synonyms, antonyms, idiomatic expressions, and related words for americium, like: periodic-table, am and atomic number 95.