Answer:
the law of conservation of matter.
Explanation:
I am in chem
Rubidium is an element that belongs to Group 1. As such it will have physical properties similar to the other Group 1 elements. Rubidium is below
Potassium in the periodic table but above
Cesium. As such it would be most like one of those two elements.
i guess its e) Mn (VII)
if it was wrong pls let me knw
stem, roots, leaves and flower
I hope it helps