sections 1-2 chapter 5 Flashcards
1
Q
something that occurs at regular intervals
A
Periodic
2
Q
the law that states that the repeating chemical and physical properties of elements change periodically with the atomic numbers of the elements
A
Periodic law
3
Q
rows on the periodic table of elements
A
period
4
Q
columns on the periodic table of elements
A
group
5
Q
one of the elements of Group 1 of the periodic table
A
Alkali metal
6
Q
one of the elements of group 2 of the periodic table
A
Alkaline-earth metal
7
Q
one of the elements of group 17 of the periodic table
A
halogen
8
Q
one of the elements of group 18 of the periodic table
A
noble gas
