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Isotopes. The isotope has the same number of protons and electrons as the regular atom, but has more (or sometimes less) neutrons, and therefore its Atomic Mass is more (or less, depending on whether the neutrons have increased or decreased).

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12y ago
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13y ago

Isotopes
Ions! (they have different amounts of electrons, usually due to bonding, but all go under same atomic number)

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12y ago

Atoms of the same element that have different mass numbers are called isotopes. They are different because of the number of neutrons in the nucleus can vary

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11y ago

Isobars have the same atomic mass.

Isotones have the same number of neutrons.

Isotopes have the same atomic number (number of protons).

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10y ago

Isotopes. They differ in the number of neutrons in the nucleus.

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16y ago

They are called isotopes.

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16y ago

Isotopes.

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Isotopes

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12y ago

isotopes

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Q: What are atoms with same atomic mass but different atomic numbers called?
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Atoms that have the same atomic numbers but different atomic weights are called what?

If they have the same atomic number but different mass, then they have a different number of neutrons, and they are called ISOTOPES.


What would you call atoms having some atomic numbers but different mass numbers?

they are called isotopes.


What is it called when atoms of the same element that have a different atomic weight?

Atoms with the same atomic number (number of protons), but different mass numbers (i.e. different mass) are called isotopes. The difference in mass is due to different numbers of neutrons. For more info: http://en.wikipedia.org/wiki/Isotope


Are neon and argon atoms the same?

No. Neon atoms and Argon atoms have different atomic numbers. Which means they have different numbers of protons.


What does it mean if two atoms are isotopes?

If two atoms are isotopes, it means they have the same number of protons but different numbers of neutrons. Thus, they have the same atomic numbers, but different atomic masses.


What are atoms of the same element thay have different atomic masses?

when you have two different forms of an atom with different masses, it's called an isotope of the atom.


A difference in the atomic number of atoms means the atoms are of same or diffierent elements?

Different atomic numbers represent different elements.


Do some atoms have more or fewer protons than will other atoms of the same element?

No. The atomic number of an element is determined by its number of protons. If two atoms have different numbers of protons, they have different atomic numbers and are different elements.


How can different atoms of the same element have the same atomic number but can have different mass numbers?

They have different numbers of neutrons.


What are the atoms called then they have the same atomic number but different mass numbers?

They are called as isotopes in which mass number differ by emmision of radiation


Do isotopes have the same atomic number and different mass numbers?

Yes. Isotopes have the same atomic number because all of their atoms have the same number of protons. They have different mass numbers because their atoms have different numbers of neutrons, and mass number is the sum of the numbers of protons and neutrons.


How do atoms woth different atomic numbers differ from each other?

The number of protons is different.