Whhat would be the colour of solution I with a p. H value of13.0 after adding few drops of phenolphthalein indicator

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?

To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %

Is it safe to take 450mg of diphenhydramine hydrochloride?