The Periodic Table Flashcards
1
Q
What is the periodic table?
A
An arrangement of elements in order of increasing atomic number
2
Q
What are group 1 elements called?
A
Alkali metals
3
Q
What are group 2 elements called?
A
Alkali earth metals
4
Q
What are the group 7 elements called?
A
Halogens
5
Q
What are the group 8 elements called?
A
Noble (inert) gases
6
Q
What is are isotopes?
A
Atoms of the same element that have different numbers of neutrons
