Using the periodic table entry below, match the phrases with their corresponding values.

1. number of protons
39
2. atomic mass
8
3. number of electrons in the n = 1 shell
19
4. number of electrons in the n = 3 shell
20
5. number of neutrons
2

You are given an electron micrograph of a bacterial cell. in the micrograph you can clearly see three thin layers of different densities surrounding the cell. based on the micrograph, you can infer that this cell is and would appear after application of the gram stain procedure. gram-negative / pink gram-positive / purple gram-positive / pink gram-negative / purple