Answer:
11
Explanation:
According to the periodic table Sodium (Na) has 11 electrons.
Answer:
answer is 2.04*10^4 kPa
Explanation:
Dalton's Law of Partial Pressures.
it is because that when the volume and the temperature of a gaseous mixture are kept constant, the total pressure of the mixture is equal to the sum of the partial pressures of its gaseous components .
The majority of the mass of the atom is located in the nucleus. Remember that the nucleus contains both protons and neutrons and therefore, most of the mass of the atom.