Calculate the percent by mass sulfur in sulfuric acid, h2so4.

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?

Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball