is also helps define our traits. What is an example of the environment affecting our genes?

Endeleev saw trends in the physical and chemical properties of elements when he organized them by

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?

Find the mass, in grams, of 5.00*10^23 molecules of f2