chemistry Flashcards
1
Q
periodic table
A
a table listing all known elements. The elements are grouped according to their properties and in order of the number of protons in their nucleu
2
Q
group
A
in the periodic table of elements, a single vertical column of elements whith a similar natur
3
Q
inert
A
not reactive
4
Q
noble gas
A
elements in the last column of the periodic table. They are extremely inert gases.