Titanium has five common isotopes: 46ti (8.0%), 47ti (7.8%), 48ti (73.4%), 49ti (5.5%), 50 ti (5.3%). what is the average atomic mass of titanium?

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?

Draw a line graph showing the relationship between temperature in kelvin as a function of kinetic energy.

Which of the following is a physical change? a.burning a piece of wood b.sawing a piece of wood in half c.rust forming on an iron fence d.a copper roof changing color from orange to green