An atom is silicon has a mass number of 28 and an atomic number of 14 how many protons and electrons and neutrons does this atom have and what is the election configuration for a silicon atom?

14, 14, 14. I have no idea what the second part of that question means but since the atomic number is 14, there are 14 protons and in an atom protons and electrons are equal. The mass number being 28 is the number of neutrons plus the number of protons. Since there are 14 protons, 28-14=14 neutrons and 14 electrons

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For cyclohexane compounds drawn in a chair conformation:   -axial bonds are vertical  -equatorial bonds are parallel to two bonds within the ring.  thus, as i assume the chair conformation is drawn:   -the x group is in an axial position, as are the five other vertical bonds.  -three axial bonds are on the top face of the ring  -the other three axial bonds are on the bottom face  the position of the second substituent on each ring carbon is equatorial.  gauche groups must be on an adjacent carbon such as carbon 6 and carbon 2, and also gauche groups are rotated by 60 degrees relative to each other.  drawing the newman projections for c1–c2 and c1–c6 aids in visualizing the groups that are gauche to the y group on c1.  click this link and watch some academic videos that may you more understand the topic