The lattice energy of mgcl2 is the energy change for which one of the following processes?
a. mg(s) + cl2(g) → mgcl2(s)
b. mg(g) + 2cl(g) → mgcl2(s)
c. mg2+(s) + 2cl−(g) → mgcl2(g)
d. mg2+(g) + 2cl−(g) → mgcl2(s)
e. mgcl2(aq) → mgcl2(s)

Which suspect most likely committed the robbery and how do you know

What role does weathering have in shaping earth’s surface? a) it allows sediments to fall out of a medium. b) it sediments settle on a new surface. c) it breaks down older material into sediments. d) it transports sediments to a different location. will give brainliest, answer quickly.

Based on the formulas, select the compounds below that are covalent: kbr sif4 al2o3 co2 naco3 s7o2 pcl3 fe3n2 h2o s2f10