A plant cell in a hypotonic solution will:  

The pH scale is:  

Chlorine has seven electrons in its valence shell. The number of electrons it wants to gain to complete its valence shell is:  

Molecules that repel water are called:  

In a water molecule, the oxygen atom is more electronegative than the hydrogen atoms, making the molecule:  

The pH scale measures the concentration of:  

Which level of organization is larger than a community?  

_______ is the universal solvent.  

Which sequence represents the hierarchy of biological organization from simplest to most complex?  

An isotope of an element has a different number of