What is the relative electrical charge of a neutron?

A Copper (II) ion forms when a copper atom:

Please provide the chemical formula that would form between the provided ions. Do not be concerned about using super- or subscript for your answer.  Just insert any numbers that are necessary as normal-sized font. Combining Cu+ and O2- would form the chemical compound:

How many hydrogen atoms are in the compound C3H5(OH)3?

Please provide the chemical symbol for the element with the following electron configuration.                                 1s2 2s2 2p6 3s1

From the gel electrophoresis lab, which of the following is a pipette? Choose the letter.   

Write your answer below: Calculate the estimated width (in mm) of a single onion cell at 100x. The diameter of the field of view at 100x is 1,800m.   

Write your answer below: In the applying the scientific method lab, what would be the hypothesis of the pillbug experiment?

Write your answer below: From the microcopy lab, what is the most prominent organelle that you see in the Elodea images?

Write your answer below: From what you can see in this picture, what are the safety precautions she is missing?