Which industries are responsible for producing harmful gases and how do they contribute to acid rain?

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?

At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver

The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.