Which one of the following elements is least reactive with water? |
|
|||
(a) |
Lithium |
(b) |
Sodium |
|
(c) |
Potassium |
(d) |
Cesium |
Which one of the following elements is least reactive with water? |
|
|||
(a) |
Lithium |
(b) |
Sodium |
|
(c) |
Potassium |
(d) |
Cesium |