The atom doesn't contain gram which is a unit of mass.
Technetium has five electron shells.
Technetium has 43 protons.
Technetium has five electron shells.
Technetium has 5 electron shells.
Technetium has 43 electrons, so it has 43 orbitals.
Technetium-99 has 56 neutrons.
A technetium atom has 43 protons.
The neutral atom of technetium has 43 electrons.
Technetium-98 has 55 neutrons.
Technetium has no stable isotopes but at least 30 artificial ones have been identified.
Technetium is a dense, silvery-gray metal that sinks in water. It has a density of about 11 grams per cubic centimeter, which is much higher than water's density of 1 gram per cubic centimeter.
Technetium can form numerous compounds due to its variable oxidation states. Some common compounds include technetium dioxide (TcO2), technetium trichloride (TcCl3), and technetium tetrafluoride (TcF4).