The escape velocity required for gas molecules to overcome the earth’s gravity and go off to outer space is 1.12 x 103m/s at 15oc. calculate the molar mass of a species with that velocity.

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?

This question is about electrolysis. metal spoons can be coated with silver. this is called electroplating. suggest one reason why spoons are electroplated?

What will most likely happen when two bromine atoms bond together?