5.1 Arranging the Elements Flashcards
1
Q
periodic
A
describes something that occurs or repeats at regular intervals
2
Q
periodic law
A
the law that states that the repeating chemical and physical properties of elements change periodically with the atomic numbers of the elements
3
Q
period
A
in chemistry, a horizontal row of elements in the periodic table
4
Q
group
A
a vertical column of elements in the periodic table; elements in a group share chemical properties