The diagram below shows dna molecules. what do the broken lines connected to hydrogen atoms represent in this diagram

One of the following properties was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version. which property fits this description?

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?

In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit