What is the percent composition of H in (NH4),S?
Round to 1 decimal place.

In numbering carbon atoms in the parent chain of a hydrocarbon, why would you number from right to left, rather than left to right

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

As air becomes more dense, (select all that apply) o. air weighs less o. gas molecules are closer together o. air is colder o. air weighs more o. gas molecules are further apart o. air is hotter