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The atomic number of an element is given based on the number of protons in the nucleus of all the atoms of that particular element. This applies regardless of the number of neutrons or electrons in any atom of that element. Atoms are initially classified according to the number of protons in the nucleus of an atom, and this will identify which element the atom is.
We know that the number of neutrons a given atom of any element can vary, and these will be classified as isotopes of that element. We also know that the number of electrons in any atom will vary, too. Atoms with a neutral charge will have the same number of electrons as protons, but the number of electrons can vary for a number of reasons. The number of protons, however will allow an investigator to identify an atom as being a particular element, and the atom will be further classified from there according to the number of neutrons and/or electrons it has.
What else can I help you with?
What is the atomic number for eleent sodium?
11. This can be found in a periodic table or other reference.
What is the Proton number for florine?
Fluorine has 9 protons per atom: The number of protons per atom is by definition the atomic number of an element, and reference to a Periodic Table shows that the atomic number of fluorine is 9.
Why is argon before potassium on the modern periodic table?
Argon, with an atomic number of 18, comes before potassium, which has an atomic number of 19, because elements on the periodic table are arranged in order of increasing atomic number. This ordering is based on the number of protons in the nucleus of each atom.
How do you calculate electrons in an atom?
Reference the atomic number of the atom on the periodic table. The electron count is generally equal to the number of protons
How can we identify group of an element whose atomic number is given?
Yes, if a periodic table that includes atomic numbers, as most periodic tables do, is available for reference
What is the number of protons for Florine?
Fluorine has 9 protons per atom: The number of protons per atom is by definition the atomic number of an element, and reference to a periodic table shows that the atomic number of fluorine is 9.
What is the protons of element calcium?
An atom's atomic number tells us how many protons it has. If we reference a periodic table, we see that calcium's atomic number is 20. Thus, calcium has 20 protons.
Find the square root of the atomic number for manganese?
Taking the square root of an atomic number is not particularly useful. Anyway, you can look up the atomic number in a periodic table or some other reference material (searching Wikipedia for "manganese" should work well), and then use a calculator to take the square root.
How do you get number of electron of nitrogen?
Find the atomic number of nitrogen in a periodic table or other reference. (It is 7 for nitrogen.) The number of electrons in any neutral atoms is always the same as the atomic number of the atom.
This element has an atomic number that is double the atomic number of silicon?
this elemnt has an atomic number that is double the atomic number of silicon?
What is the number of protons in the neucleus called?
the answer is that it is called a atomic number.
This element has the atomic number that is double the atomic number of silicon?
The element with an atomic number that is double the atomic number of silicon is germanium, with an atomic number of 32. Silicon has an atomic number of 14.
