5.2 Flashcards
(4 cards)
1
Q
one of the elements of Group 1 of the periodic table
A
alkali metal
2
Q
one of the elements of Group 2 of the periodic table
A
alkaine-earth metal
3
Q
one of the elements of Group 17 of the periodic table
A
halogane
4
Q
one of the elements of Group 18 of the periodic table
A
noble gas
