Answer:
is any thing which has mass volume and empty space
The name of the compound PbS2.4H2O would be hydrate of Lead(IV) sulfide. <span>The IV is to show that the lead in the </span>compound<span> has an oxidation state of +4. Lead also has an oxidation state of +2. Hope this answers the question. Have a nice day.</span>
Answer:
D. How frequently do earthquakes occur in San Francisco?