Chapter 5 Flashcards
(8 cards)
1
Q
What describes something that occurs or repeats at regular intervals?
A
periodic
2
Q
What law states that repeating chemical and physical properties of elements change periodically with the atomic numbers of the elements?
A
periodic law
3
Q
What is in chemistry, a horizontal row of elements in the periodic table?
A
a period
4
Q
What is a vertical column of elements in the periodic table; elements in a group share chemical properties?
A
a group
5
Q
What is one of the elements of Group 1 of the periodic table?
A
an alkali metal
6
Q
What is one of the elements in Group 2 of the periodic table?
A
an alkaline-earth metal
7
Q
What is one of the elements in Group 17 of the periodic table?
A
a halogen
8
Q
What is one of the elements of Group 18 of the periodic table?
A
a noble gas
