Question
Which statement best explains why hydrogen’s atomic number is equal to its mass?(1 point)
Responses
Hydrogen is stable, with two electrons in its outer shell.
Hydrogen is stable, with two electrons in its outer shell.
Hydrogen is in the first row and the first column of the periodic table.
Hydrogen is in the first row and the first column of the periodic table.
Hydrogen only has one electron.
Hydrogen only has one electron.
Hydrogen does not have any neutrons.
Hydrogen does not have any neutrons.
Responses
Hydrogen is stable, with two electrons in its outer shell.
Hydrogen is stable, with two electrons in its outer shell.
Hydrogen is in the first row and the first column of the periodic table.
Hydrogen is in the first row and the first column of the periodic table.
Hydrogen only has one electron.
Hydrogen only has one electron.
Hydrogen does not have any neutrons.
Hydrogen does not have any neutrons.
Answers
GPT-4o mini
The statement that best explains why hydrogen’s atomic number is equal to its mass is:
**Hydrogen does not have any neutrons.**
Hydrogen has an atomic number of 1, which means it has one proton. Most hydrogen isotopes have no neutrons, making the atomic mass approximately 1.
**Hydrogen does not have any neutrons.**
Hydrogen has an atomic number of 1, which means it has one proton. Most hydrogen isotopes have no neutrons, making the atomic mass approximately 1.