Homogeneous or heterogeneous, Hope this helps!!
Answer:
2.48626 x 10^24
Explanation:
We multiple 4.13 by avogadro's number to get that.
The first ionization energy is the energy that the atom lost its first electrons. The energy decrease and the atom is more reactive. So from highest to lowest is Li>Na>K>Rb.
Electron - In an atom, the central part which is composed of neutrons and protons including quarks is called the nucleus. Whereas the electron is the particle with negative elementary electric charge can be found inside the atom surrounding the nucleus.