How many lone and bonded pairs do these compounds have: -H2O

-NH3

-CCl4

-CO2

-N2

-CCl2F2

-SF6

-H2S

-H2CO

-C2H6

What does x represent in the formula for the compound xcl4?

Which element is the least metallic between cadmium, silver, zinc, or iron?

The lattice enthalpy (formation of ionic solid from ions in the gas phase) for agcl(s) is -916 kj/mol and the hydration enthalpy (dissolution of gaseous ions into water) is -850 kj/mol. how much heat (in joules) is involved in forming 1l of saturated agcl solution (1.8 × 10-4 g / 100 ml water) by dissolving agcl(s)? assume solution volume does not change much upon dissolution. the equations are given below. ag+(g) + cl−(g) æ agcl(s)