Respuesta :
Answer:
Zinc is a d block element with atomic number 30 has 30 electrons. The nearest noble gas is argon with atomic number of 18 and has 18 electrons.
[tex]Zn:[Ar]3d^{10}4s^2[/tex]
Technetium is a d block element with atomic number 43 has 43 electrons. The nearest noble gas is krypton with atomic number of 36 and has 36 electrons.
[tex]Tc:[Kr]4d^55s^2[/tex]
