What is the first step in creating a lewis structure for a molecule?

a. counting the number of lone pairs of electrons
b. counting the number of electron orbitals
c. counting the number of single bonds
d. counting the number of valence electrons

Ateam from new york presbyterian hospital is conducting a study about a recent increase in cases involving both excess sweating and kidney stones. what would the team need before it draws a conclusion about the cases? medications that are specifically designed to treat the sickness machines that are built to process blood and reduce symptoms until patients are healthy again data that profile the various patients who report these symptoms proof that the excess sweating is related to the excessive kidney stones

1) what three conditions must be present for minerals to form through natural processes? 2) why are minerals considered inorganic substances? 3) how do oxides differ from other minerals that contain oxygen atoms? 4) how is a sulfide different from a sulfate? what makes native elements unique?

How would you describe the the organisms in the second row of model 1 that are connected to the parents by a line