What is the atomic number of a chemical element?

The number of neutrons in the atom's nucleus
The number of atoms
The number of protons in the atomic nucleus
The number of electrons in the atomic nucleus
The atomic number or proton number of a chemical element is the number of protons found in the nucleus of an atom. It is iden­ti­cal to the charge number of the nucleus. The atomic number uniquely iden­ti­fies a chemical element.

Answers distribution

The number of neutrons in the atom's nucleus
The number of atoms
The number of protons in the atomic nucleus
The number of electrons in the atomic nucleus
answers
flagIndia
0%
20%
73%
6%
15
flagthe United States
7%
14%
70%
7%
27
flagUnknown
30%
8%
56%
4%
23
flagPoland
14%
20%
43%
19%
281

Gender

men48%
women47%
The number of neutrons in the atom's nucleus
17%
18%
The number of atoms
14%
10%
The number of protons in the atomic nucleus
48%
47%
The number of electrons in the atomic nucleus
20%
22%

Language versions

question
answers
results
flag
What is the atomic number of a chemical element?
61
72%

Details

Author: Tschuka
Illustration: Kevin Dooley
tools
Should this question be improved? Improve it.
Globalquiz questions are translated by users for other users. Translate this question.