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Atomic Number = the Number of Protons in the nucleus, = The number of electrons ( in the neutrally charged atoms).

Do NOT Confuse with Atomic Mass , which is the total number of protons AND neutrons in the nucleus.

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lenpollock

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1y ago

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Related Questions

What is the subatomic particles on which the atomic number is based?

Number of protons in the nucleus is the atomic number.


What element has the atomic number for 3.14?

No element has this atomic number. All atomic numbers are whole numbers.


How do you know which element have the greatest number of protons in their nucleus?

The elements with the highest atomic numbers have the greatest numbers of protons in their nucleus, because that is the definition of atomic number.


Why are atomic numbers always whole numbers?

Atomic numbers represent the number of protons in an atom's nucleus, which are always whole numbers because protons are indivisible particles. Atomic numbers cannot be fractions or decimal numbers because they refer to a count of discrete, whole particles.


The atomic number is the same as the same as the number of these particles what are they?

The atomic number is the number of protons in the nucleus. The protons are positive particles, and so the number of them is matched by the number of electrons orbiting the nucleus. The organisation of the electrons determines how an element behaves when it reacts.


How do protons and neutrons relate to an elements atomic number?

Protons are positively charged particles found in the nucleus of an atom. The number of protons in the nucleus determines the element's atomic number. Neutrons are neutral particles also found in the nucleus, and together with protons, they determine the atomic mass of the element.


What is the atomic number and what does the atomic number indicate?

Atomic number is the number of protons in the nucleus of an atom. The periodic table is arranged in an order of increasing atomic numbers.


The atomic number for an element is the total number of subatomic particles?

False; the atomic number is the total number if protons in the nucleus only.


What is an example of atomic numbers?

Atomic number= number of protons. Hydrogen atomic number=1


What is the mass number of copper?

AMU (Atomic Mass Unit) is the SI masses of particles for nucleus.


What do the numbers on the periodic table mean?

On the periodic table, there are two numbers for every element: the atomic number and the atomic weight. The numbers at the top of the square represents the number of protons present in the atom's nucleus of that element. This is called the atomic number. For example, the atomic number for the element Krypton is 36. That means that there are 36 protons in the nucleus. If there were not 36 protons in the nucleus of that atom, that would create the atom of a completely different element. For example, if one proton was to be removed from the nucleus of the atom for the element of Krypton that atom will be an atom of the element bromine. The number at the bottom of the square represents the number of particles present in the atom's nucleus of that element. This is known as the atomic weight. For example, the atomic weight for the element Krypton is 83.80.


What do the numbers mean on the periodic table?

On the Periodic Table, there are two numbers for every element: the atomic number and the atomic weight. The numbers at the top of the square represents the number of protons present in the atom's nucleus of that element. This is called the atomic number. For example, the atomic number for the element Krypton is 36. That means that there are 36 protons in the nucleus. If there were not 36 protons in the nucleus of that atom, that would create the atom of a completely different element. For example, if one proton was to be removed from the nucleus of the atom for the element of Krypton that atom will be an atom of the element bromine. The number at the bottom of the square represents the number of particles present in the atom's nucleus of that element. This is known as the atomic weight. For example, the atomic weight for the element Krypton is 83.80.