The mass number of the most common hydrogen isotope, Hydrogen-1, is one
Hydrogen is a non metal element. Mass number of it is 1.
An electron. As the mass of an electron is 00000000000000000000000000000091 kg
Hydrogen is a non metal element. Atomic number of it is 1.
Subtract the mass from the number. Hydrogen's mass is just about 1, and it's obviously number 1 on the Table. Therefore, its nucleus has no neutrons.
Hydrogen is a gas. Mass number of it is 2.
The mass number of the most common hydrogen isotope, Hydrogen-1, is one
Hydrogen is a non metal element. Mass number of it is 1.
Hydrogen is a non metal element. Mass number of it is 1.
Hydrogen is a non metal element. Mass number of it is 1.
Hydrogen is a non metal element. Mass number of it is1.
Hydrogen is a non metal element. Atomic mass of it is 1.
Hydrogen is a non metal element. Atomic mass of it is 1.
An electron. As the mass of an electron is 00000000000000000000000000000091 kg
1
As Deuterium and Tritium are both merely isotopes of Hydrogen and not elements in their own right, they both have an atomic number of 1, just like Hydrogen (Hydrogen-1). Deuterium (Hydrogen-2) has an atomic mass of 2, and Tritium (Hydrogen-3) has an atomic mass of 3.
Hydrogen is a non metal element. Atomic number of it is 1.