Decide whether the following are ionic or covalent bonds. Sort the following in to the appropriate column below. Each choice can only be placed in one column. High melting points
CuCO3
Metal bonded to a nonmetal
SCl4
Insoluble in water
MgO
Hard and brittle
CaCl2

Conducts electricity
Lower melting points
Doesn’t conduct electricity
PbS
NF3
Nonmetals bonded to nonmetal
Soluble in water
CO2

What stress will shift the following equilibrium system to the left? n2(g) + 3h2(g) ⇌ 2nh3(g) adding more n2(g) adding more nh3(g) increasing the pressure of the system reducing the volume of the container

If the density of water is 1.0 g/cm3, which of these materials would float in water, based on their densities? check all that apply. aluminum cork iron lead wax

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.