Technetium has an atomic number of 43. Several radioactive isotopes exist, with mass numbers from 95-99. Based on this information, which of the following is also true of Technetium?

Technetium atoms can have between 52 and 56 neutrons.

Isotopes of Technetium have different numbers of electrons.

Technetium atoms can have between 52 and 56 electrons.

Technetium atoms can have between 52 and 56 protons.

Quiz

Ions and isotopes: net charge and atomic structure

k s 3 questions

Take the quiz

11
1. A10
2. B16
3. C11
4. D8
2An ion that consists of 7 protons, 6 neutrons, and 11 electrons has a net charge of ________.
1. A5+
2. B4-
3. C4+
4. D5-
3Technetium has an atomic number of 43. Several radioactive isotopes exist, with mass numbers from 95-99. Based on this information, which of the following is also true of Technetium?
1. ATechnetium atoms can have between 52 and 56 neutrons.
2. BIsotopes of Technetium have different numbers of electrons.
3. CTechnetium atoms can have between 52 and 56 electrons.
4. DTechnetium atoms can have between 52 and 56 protons.