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