Group 1A & 1B metals Flashcards
1
Q
how many valence electrons are there in Group 1A
A
one valence electron
1
Q
Group 1A metals are also called
A
the alkali metals
1
Q
principal metals compromising Group 1A
A
Lithium, Sodium, Potassium, Rubidium, Cesium, and Francium
2
Q
Francium exists as what
A
an unstable radioactive species
3
Q
oxidation # of group 1A metals when bonded to other elements
A
+1 oxidation
4
Q
weak hydroxide
A
LiOH
5
Q
bond with hydrogen
A
hydrides
6
Q
bond with halogens
A
halides
7
Q
Lithium plus oxygen
A
Normal oxide (Li2O)
8
Q
Normal oxide
A
Lithium oxide
9
Q
Sodium plus oxygen
A
Sodium peroxide (Na2O2)
10
Q
what forms superoxides
A
Potassium, Rubidium, and Cesium
11
Q
oxidation state of a superoxide
A
-1/2
12
Q
alkali plus water
A
hydrogen gas and metallic hydroxides
13
Q
sodium emits
A
yellow color
