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Monomers of proteins are

The smallest unit of matter is

The center of an atom contains

The horizontal rows of the periodic table are in order of

A pH of 7 is concidered to be

Below is an image of a Bohr model of Sulfur (S). Use the image to answer the following questions about Sulfur. Image information: N = number of neutrons and the P = number of protons. a. How many electrons are in the valence shell for Sulfur (1pt)? b. What is the atomic number of Sulfur (1pt)? c. What is the mass number of Sulfur (1pt)?

Below is an image of a Bohr model of Nitrogen (N). Use the image to answer the following questions about Nitrogen. Image information: N = number of neutrons and the P = number of protons. a. How many electrons are in the valence shell for nitrogen (1pt)? b. What is the atomic number of nitrogen (1pt)? c. What is the mass number of nitrogen (1pt)?

The particles that circle the nucleus of an atom have a ____ charge.

identify structure  D

pH scale ranges from