expermimental evidence shows that a compound has a percent compostion of 84.1% carbon and 15.9% hydrogen from this data what is this compounds empirical formula?

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?

When you mate two plants together the terms is called? answer it fast as possible plz! i have a test tomorrow!

Nthis lab, you will do experiments to identify types of changes. using the question format you learned (shown above), write an investigative question that you can answer by doing these experiments