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I believe the two elements (there may be more) are Neon(Atomic number: 10) and Fluorine(Atomic number: 9). To find the neurons, all you have to do is subtract the atomic number and the atomic mass. Hope this helps!
Sodium and magnesium
Added:
There are more than two naturally occurring isotopes with 12 neutrons:
10Ne(22) isotope (9%)
11Na(23) isotope (100%)
12Mg(24) isotope (78%)
Two elements with 10 neutrons are boron (5 protons) and lithium (3 protons).
To my best knowledge there are 4 isotopes with 10 neutrons:
8O(18), 9F(19), 10Ne(20), 12Mg(22),
Many isotopes have 10 neutrons in the atomic nucleus (Be-14, B-15, etc.).
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Amount of neutrons and electrons in fluorine?
9 protons, 9 electrons and 10 neutrons in F-19 isotope.
How many neutrons are in Indium?
Indium has 66 neutrons.
Neutrons for neon?
To provide the attractive binding of the nuclear strong force, without adding to the electromagnetic force. Without neutrons, the only chemical element would be hydrogen.
Radioactivity is a characteristic of elements with what atoms?
Radioactivity is a characteristic of elements with unstable atoms, meaning their nuclei are not in a balanced state. These unstable atoms undergo radioactive decay by emitting particles or energy in order to reach a more stable configuration.
Where are the neutrons located in the fluorine atom?
Neutrons are located in the nucleus of the fluorine atom. The nucleus is the central core of the atom that contains protons and neutrons. Electrons orbit around the nucleus in various energy levels.
What two elements have 10 neutrons in there nuclei?
Fluorine (18.994-9=10 neutrons) and Neon (20.180-10=10 neutrons)
What elements have 10 neutrons in their neuclius?
Oxygen-18, fluorine-19 and neon-20 atoms have 10 neutrons each.
Which elements has 2 neutrons?
For the most part Helium has two neutrons, the exception is with isotopes.
What two factors determine the atomic mass of an elements?
neutrons and protons
What two elements make up plutonium?
An atom of plutonium contain protons, neutrons and electrons - not other elements.
What has 10 neutrons?
An atom of neon has 10 neutrons. Neon has an atomic number of 10 and an atomic mass of approximately 20, so it has 10 protons and 10 neutrons.
What are two things neutrons have?
Neutrons have size (about 10-13 cm in diameter) and mass (1.6749 x 10-27 kg).
Do Elements in a group have the same number of neutrons?
No, elements in a group do not have the same number of neutrons. Neutrons can vary among isotopes of an element, which have the same number of protons (and therefore the same element) but different numbers of neutrons.
Are there neutrons in man made elements?
All chemical elements (excepting the isotope 1H) contain neutrons.
How are elements determind?
Elelments are determined by the amount of protons they have. While different elements can have the same number of neutrons and protons, no two different elements can have the same amount of protons.
When an atom has an unbalanced ratio of protons and neutrons what will it try to do to stabalize itself?
There generally isn't a problem; the more protons an atom has, the more neutrons it takes to glue them together. A Helium atom has two protons and generally two neutrons; in every other stable atom, there are more neutrons than protons. There are isotopes of elements with fewer-than-normal numbers of neutrons; these isotopes are generally unstable and radioactive, and will generally decay into other elements.
What are two elments with the same number of protons but a different number of neutrons called?
Two atoms with the same number of protons are not two elements but one element. If they have differing numbers of neutrons, however, they are said to be of different isotopes.
