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The number of protons in the nucleus of an atom determines its atomic number. Each element on the periodic table has a different number of protons in its nucleus and its own atomic...

Atomic Numbers
The atomic number, as denoted on the periodic table, refers to the number of protons in a single atom of that particular element. Learn more about the organization of the periodic table with important facts from a science teacher in this free video on... More »
Difficulty: Moderate
Source: www.ehow.com

Atomic number


The atomic number, Z, should not be confused with the mass number, A, which is the number of nucleons, the total number of protons and neutrons in the ...

How do I find the number of protons, electrons and neutrons that are


An answer to the question: Instructions on how to calculate the number of protons , electrons and neutrons in an atom of any element.

Higher atomic number doesn't imply higher atomic mass. At least not always! Sometimes one element of lower atomic number can have a higher atomic mass. Learn More »
By Anne Marie Helmenstine, Ph.D., About.com Guide

Glossary Term - Atomic Number - Science Education at Jefferson Lab


The atomic number is equal to the number of protons in an atom's nucleus. The atomic number determines which element an atom is. For example, any atom ...

Atomic Number and Mass Number - NDE/NDT Resource Center


The number of protons in the nucleus of an atom determines an element's atomic number. In other words, each element has a unique number that identifies how ...

Chemical Elements.com - Atomic Number


Periodic Table with Atomic Numbers at Chemical Elements.com. Back to Main Page. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18. 1, H · He. 1, 2.

Atomic number, mass number, and isotopes | Introduction to the ...


How to use the atomic number and the mass number to represent different isotopes.

Atomic-number | Define Atomic-number at Dictionary.com


the number of positive charges or protons in the nucleus of an atom of a given element, and therefore also the number of electrons normally surrounding the ...

Popular Q&A
Q: How to Find the Atomic Number.
A: Thanks to tools like the periodic table, finding information about chemical elements is relatively simple. You might find a couple things confusing, however. Fi... Read More »
Source: www.ehow.com
Q: What Are the Atomic Numbers of Isotopes?
A: The atomic number of any element is equal to the number of protons or electrons present in an atom of the element. Since, the atom is electrically neutral, it c... Read More »
Source: www.ehow.com
Q: What is the atomic number of aluminum?
A: 13. The online periodic table below will help with further queries of this type. http://www.ptable.com/. Written 17 May 2012. Read More »
Source: www.quora.com
Q: What is the atom number in a proton?
A: there are no atoms in a proton. a Proton is a part in the nuleus of an atom. the other parts of an atom are neutrons and electrons. Read More »
Source: wiki.answers.com
Q: What is the atomic number is equal to?
A: The atomic number is equal to the number of protons in the nuceus of an atom. Read More »
Source: wiki.answers.com