In which material are the particles arranged in a regular geometric pattern?
(1) co2 g) (3) h2o(ℓ)(2) nacl(aq) (4) c12 h22 o11(s)

What shape would a molecule with two bound groups and two lone pairs have?

Calculate the estimated density of each ball. use the formula d = m/v where d is the density, m is the mass, and v is the volume. record your calculations in table a of your student guide. given that the density of water is 1.0 g/cm3, make a prediction about whether each ball will float in water. record your prediction in table a. what is the estimated density of the table tennis ball? record your answer to the nearest hundredth

As we move from left to right across the periodic table, what is the general trend? a) atomic radii increase. b) electronegavitiy decreases. c) nuclear shielding increases. d) metallic character decreases.