the periodic table Flashcards
1
Q
what is group 1 called?
A
the alkali metals
2
Q
what do all alkali metals have in their first energy level ?
A
2 electrons
3
Q
what do all alkaline metals have on their outer energy level?
A
1 electron
4
Q
what are examples of alkali metals? hint ium
A
lithium sodium potassium
5
Q
what is group 7 called?
A
the halogens
6
Q
what do all halogens have in common?
A
7 outer electrons
7
Q
what are examples of halogen? hint ine
A
fluorine and chlorine
8
Q
are halogens reactive or none reactive ?
A
very reactive
9
Q
what is group 0 called?
A
the noble gases
10
Q
what do all noble gases have in common?
A
they all have 8 outer electrons except helium which has 2
11
Q
what are thee examples of noble gases?
A
helium neon argon
12
Q
are the noble gases reactive?
A
no there are very non reactive metals
