Two or more substances dispersed in one another but each retaining their own identity is a compound mixture substance solute

Which of the following best describes the formation of plasma?

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?

Why doesn't heat added to water make the tempature rise above 100c