Both chloro and methyl groups axial
More stable
Higher concentration
Answer: A = atomic number = 12
Explanation: A (atomic number) defines the chemical element. It is the numbervof protons or electrons. Neutron numbers may vary, produving isotopes of differing atomic mass. This isotope has atomic mass 28. The atomic number 12 = carbon. C28 does not really exist. If it could be produced it would be radioactive with an almost zero halflife.
Ionic bonding is bonding between a metal and a nonmetal, in short. For example, NaCl (table salt, Sodium Chloride) is an ionic bond. This is because Sodium is a metal while Chlorine is a nonmetal, making this an ionic bond. Hope this helps and have a great day!