8. Each of the following compounds contains a metal that can exhibit more than one ionic charge. Name these compounds:
(a) NiCO3
(b) MoO3
(C) CO(NO3)2
(d) V205
(2) MnO2
(f) Fe2O3

The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?

What is the mass of sodium in 3 moles of sodium chloride

Chromosome 17 is made of over million base pairs.