If two members of a Dobereiner traid are calciumand stroncium, the thirdmember of the triad is: *1)Cesium2)Magnesium3)Barium4)Sodium

If two members of a Dobereiner traid are calciumand stroncium, the t

1.	If two members of a Dobereiner traid are calciumand stroncium, the thirdmember of the triad is: *1)Cesium2)Magnesium3)Barium4)Sodium
Answer» SODIUM.............