What is the percent composition of sulfur in H2SO4? 2.1%

B) 
65.2%

C) 
98.1%

D) 
32.7%

1) this is the structure in the cell nucleus that houses a cell's genetic information

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?

Gymnast always perform on padded mats. how does the mats protect the gymnast