Every cell is surrounded by a thin membrane. What is the main function of this cell membrane?

What is the rarest mineral in the world?

The electron configuration 1s^2 2s^2 2p^6 3s^2 describes the electrons of which element? sodium manganese phosphorus magnesium

The strongest intermolecular interactions between hydrogen sulfide (H2S) molecules arise from: Group of answer choices a) disulfide linkages b) dipole-dipole forces c) hydrogen bonding d) London dispersion forces.

What happens to the average speed of the particles

Astronomy is one of the oldest sciences. True False

Which earth cycle does the suns energy drive

How many moles are in 10 grams of CaCl2?

Which is the correct formula for phosphorus pentachloride? PCl4 because a subscript of 4 indicates four Cl atoms PCl5 because a subscript of 5 indicates five Cl atoms P5Cl because a subscript of 5 indicates five P atoms P5Cl3 because a subscript of

Why are the elements in groups 3 to 12 often used to make dyes?

What is not needed for corrosion of metals? a. oxygen c. water b. ions d. sunlight