How would you expect the H−X−H bond angle to vary in the series H2O, H2S, H2Se ? (Hint: The size of an electron pair domain depends in part on the electronegativity of the central atom.) Rank from largest to smallest angle. To rank items as equivalent, overlap them.

When will le chatelier's principle come into effect? at the beginning of a reaction, when there are only reactants when a reaction has reached chemical equilibrium when a catalyst is added to a reaction mixture when a reaction is occurring but not yet at equilibrium

Acrystal that absorvd water from air is (blank)a. aqueousb. homogenousc. hygroscopicd. efflorescent

What statement goes against the kinetic theory of gases