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TLS Online TPP Program

#Question id: 27375

An atom of sodium has an atomic number of 11 and a mass number of 23. Which of the following statements is correct?

#Section C (Domain-Specific Knowledge)
  1. An atom of sodium has 11 protons, 11 electrons, and 11 neutrons.
  2. An atom of sodium has 11 protons, 12 electrons, and 11 neutrons
  3.  An atom of sodium has 11 protons, 11 electrons, and 12 neutrons
  4.  An atom of sodium has 11 protons, 12 electrons, and 12 neutrons.
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TLS Online TPP Program

#Question id: 27159

#Section C (Domain-Specific Knowledge)

This event can cause a damage to the hypothalamus portal system
TLS Online TPP Program

#Question id: 294

#Section C (Domain-Specific Knowledge)

Which of the following pairs of amino acids would you predict to only participate in Van der Waals interactions in the three dimensional folding of a protein:
TLS Online TPP Program

#Question id: 27210

#Section C (Domain-Specific Knowledge)

Charge on one mol of electron is approximately equal to
TLS Online TPP Program

#Question id: 27211

#Section C (Domain-Specific Knowledge)

 A biological redox reaction always involves
TLS Online TPP Program

#Question id: 27376

#Section C (Domain-Specific Knowledge)

The number of neutrons is equal to
TLS Online TPP Program

#Question id: 27377

#Section C (Domain-Specific Knowledge)

Calculate the number of electrons, protons and neutrons in 1 mole of 16O−2 ions.