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What element has 127 atomic mass?
Iodine is a non meta element. Atomic mass of it is 127.6.
What element is between tellurium and the noble gas xenon?
The element between tellurium and xenon is iodine. It has an atomic number of 53.
How tellurium and iodine show the periodic table is not arranged on basic of increasing atomic mass?
They show that the periodic table isn't arranged on the basis of increasing atomic mass because iodine has a mass lesser than tellurium. Iodine has a mass of 126.90 and tellurium has a mass of 127.60.
The atomic mass of iodine is less than the atomic mass of tellurium. but an iodine atom has one more proton than a tellurium atom. explain how this situation is possible?
The atomic mass of an element is determined by the total number of protons and neutrons in its nucleus. Iodine (atomic number 53) has more protons than tellurium (atomic number 52), but its atomic mass is lower because it has fewer neutrons. While iodine has 53 protons, it typically has 74 neutrons, giving it an atomic mass of about 127 amu, whereas tellurium has 52 protons and usually 76 neutrons, resulting in an atomic mass of about 128 amu. The different neutron counts in their isotopes lead to iodine having a lower atomic mass despite having more protons.
Why does iodine has an extra proton than tellurium?
Iodine has an extra proton compared to tellurium because it is located earlier in the periodic table. Iodine has an atomic number of 53, meaning it has 53 protons, while tellurium has an atomic number of 52, with 52 protons. This difference in atomic number reflects the number of protons in the nucleus of each element, which determines their position in the periodic table and their chemical properties.
What element has 127 atomic mass?
Iodine is a non meta element. Atomic mass of it is 127.6.
What element is between tellurium and the noble gas xenon?
The element between tellurium and xenon is iodine. It has an atomic number of 53.
How is it that tellurium has a greater mass number than iodine if an iodine atom has one more proton than a tellurium atom?
Iodine nuclei have one more Proton than Tellurium, but in general the Tellurium atoms have more neutrons, giving a higher average atomic mass. Elements often have isotopes, and their stated atomic masses are averages which look at the abundance of these isotopes. In a given sample of Iodine, 100% of it will be 127I, though the tiniest trace of 129I will exist. In a sample of Tellurium, 65% will be 128Te and 130Te. This makes Tellurium's average atomic mass a little higher than Iodine's.
How tellurium and iodine show the periodic table is not arranged on basic of increasing atomic mass?
They show that the periodic table isn't arranged on the basis of increasing atomic mass because iodine has a mass lesser than tellurium. Iodine has a mass of 126.90 and tellurium has a mass of 127.60.
What neighboring elements have atomic masses out of order?
Tellurium and Iodine
Why did Mendeleev swap Tellurium and Iodine around?
Mendeleev swapped Tellurium and Iodine in his periodic table to maintain the chemical properties of elements within the same group. Even though Tellurium has a higher atomic mass than Iodine, their chemical properties are more similar when placed in the switched positions, following Mendeleev's periodic law.
What is the common isotopes of the element of tellurium?
The most common isotopes of tellurium are tellurium-128, tellurium-130, tellurium-132, tellurium-128m, and tellurium-130m. These isotopes have varying numbers of neutrons in their nuclei, giving them different atomic masses.
Why did mendeleev place tellurium before iodine?
Iodine's atomic number is 53 whereas tellurium's is 52. Atomic number is basically the number of protons that an element has. Therefore, as iodine has more protons than tellurium, it appears later in the table.
Why does iodine has an extra proton than tellurium?
Iodine has an extra proton compared to tellurium because it is located earlier in the periodic table. Iodine has an atomic number of 53, meaning it has 53 protons, while tellurium has an atomic number of 52, with 52 protons. This difference in atomic number reflects the number of protons in the nucleus of each element, which determines their position in the periodic table and their chemical properties.
How do you explain the fact that tellurium comes before iodine in the modern periodic tablethough is ha a higher atomic mass then iodine?
The arrangement of elements in the modern periodic table is primarily based on atomic number, which reflects the number of protons in an atom's nucleus, rather than atomic mass. Tellurium (atomic number 52) is placed before iodine (atomic number 53) because it has one fewer proton. The discrepancies in atomic mass arise from the presence of isotopes and the varying number of neutrons in the nucleus, but the periodic table prioritizes atomic number for its organization.
What happens to the atomic mass of the element moving from left to right within a period?
The Atomic Mass usually increases, but there are a few exceptions, such as tellurium to iodine.
What happened to the atomic mass of the elements moving from left to right within a period?
The Atomic Mass usually increases, but there are a few exceptions, such as tellurium to iodine.
