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Hydrogen has atomic number 1.

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Related Questions

What number of protons in one atom of an element is that element's?

The number of protons in an atom of an element is equal to the number of electrons in that atom which is equal to that element's atomic number.


What is the atomic number of the lightest element?

The atomic number of the lightest element is 1, which corresponds to hydrogen.


The atomic number of an element is equal to the number of contained in one atom of that particle?

The atomic number of an element is equal to the number of protons contained in the atomic nucleus.


What distinguishes one element from?

An element's atomic number, or number of protons, differentiates one element from another.


What is atomic number how is used to distinguish one element from another?

The unique number of protons in the nucleus of an atom is an element's atomic number. This identifies an element.


What is atomic number and how is it used to distinguished one element from another?

The unique number of protons in the nucleus of an atom is an element's atomic number. This identifies an element.


What is atomic number. How is it used to distinguish one element from another?

The unique number of protons in the nucleus of an atom is an element's atomic number. This identifies an element.


Do all atoms of any one element have the same atomic number?

An atomic number is actually related to an element and not an atom. Therefore, the question is not relevant. It is NOT atoms that have an atomic number; it is the element.


The atomic number is the same as?

The atomic number is the number fo protons in an atom's nucleus. It decides the element's position on the periodic table, as well as what the element is. No two elements have the same atomic number. As soon as the atomic number, or number of protons, changes, the element itself actually changes into a new element.


What element has the atomic mass and atomic number one?

Hydrogen


What is an atomic number and where can you find one listed?

the atomic number is the number of protons of an element. The atomic number specifically identifies an element. You can find it on the Periodic Table of Elements.


Can a single element have more than one atomic number?

No, each element has a unique atomic number that corresponds to the number of protons in its nucleus. Changing the number of protons would change the element itself.