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I don't know where you got the notion that elements of odd atomic numbers have two isotopes, but we don't have to look far for a counterexample: hydrogen... atomic number 1... has not one, not two, but THREE isotopes that exist for meaningful lengths of time.
If you mean STABLE isotopes, then we have to go a bit further: the first four elements of odd atomic number (hydrogen, lithium, boron, nitrogen) do in fact have two stable isotopes. However, at the fifth we find our counterexample: fluorine (atomic number 9) has only one stable isotope, fluorine-19.
Furthermore, helium (atomic number 2) ALSO has two stable isotopes, so we can't even invert the original question and ask why EVEN atomic number elements DO NOT have two isotopes.
The question is therefore meaningless, as it's asking for an explanation of something that does not, in fact, actually happen.
What else can I help you with?
Can two isotopes of different elements have the same mass number?
Yes, as an example carbon-14 and nitrogen-14 are two isotopes of different elements with the same mass number. Other examples include hydrogen-3 and helium-3, argon-40, calcium-40, and potassium-40 iron-58 and nickel-58 are both stable isotopes. Potassium-40 is an interesting radioisotope that decays to argon-40 by beta decay. This decay path is used to put dates on ancient objects. Calcium-40 is a stable isotope. Hydrogen-3 emits a beta particle and thence decays to helium-3. Helium-3 is the only nontrivial stable isotope that has fewer neutrons than it has protons. Nitrogen-14 is the most common isotope in the Universe that has and odd number of protons and an odd number of neutrons. It is more common than hydrogen-2 or lithium-6. Beryllium-9 is the only stable isotope of an element -- that only has one stable isotope -- that has an even number of protons (4) and an odd number of neutrons (5).
Why do elements of even atomic numbers are more abundant than that of odd numbers?
Elements with even atomic numbers are more abundant than those with odd atomic numbers because of nuclear stability. Elements with even atomic numbers have equal numbers of protons and neutrons, resulting in more stable nuclei due to pairing effects. This stability makes it easier for elements with even atomic numbers to be formed through various nuclear processes, leading to their higher abundance compared to elements with odd atomic numbers.
What is odd helium hydrogen neon or argon?
Helium and neon are odd elements because they have an odd number of protons in their nucleus. Hydrogen and argon are even elements because they have an even number of protons.
Can the periodic table predict the number of isotopes of elements?
No. The position of an element in the periodic table cannot predict the number of isotopes it has. However, the position of an element in the periodic table can predict other properties like the charge of its ion, the formula of its oxide, the acidic or basic nature of its oxide, etc.
What is the odd one out mercury gold brass nitrogen?
Brass as it is an alloy where as all the other three are basic elements. So brass will not be available in the periodic table. No atomic number for brass. But mercury has 80, gold has 79 and Nitrogen has 7 as atomic number.
How many odd subset number in 101 element?
There are 2100 = 1.268*1030 or 1,268 octllion subsets with an odd number of elements.
How many subsets with an odd number of elements does a set of 10 elements have - Can you explain?
512 subsets
What makes calcium unstable?
calcium is not stable because the outer most atomic level is not full the only elements that are stable are the nobel gasses(helium,neon,argon,krypton,xenon,and radon)
When arranged by a atomic masses elements fall into groups with other elements with?
If what is meant is by mean atomic mass , then they almost fall into "groups" or families of elements with similar chemical properties. HOWEVER there are exceptions where the sequence is "odd" notablyArgon is heavier than potassiumTellurium is heavier than iodineThorium is heavier than ProtactiniumPutting potassium with the noble gases and argon in the alkali metals would be confusing.This is why the periodic table is sequenced by ATOMIC NUMBER not by mean atomic mass.
What is the middle number in set of data?
The median. If there are an odd number of elements in the set, there is a middle number which is the median. If there are an even number of elements in the set, the median is the mean of the middle two numbers.
What is the middle number of an ordered set of numbers?
If there is an odd number of elements in the set, then it is the median. If there is an even number, then there is no middle number.
Which of the following isotopes would most likely be unstable and therefore radioactive helium-3 calcium-40 molybdenum-98 mercury-194?
Molybdenum-98 is most likely to be unstable and therefore radioactive. Isotopes with an odd number of protons or neutrons tend to be less stable, compared to isotopes with even numbers of protons and neutrons. Molybdenum-98 has an odd number of neutrons (58) which makes it more likely to be unstable.
