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Because they have deference number of neutrons
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Will chlorine of mass number 35 and 37 have different valencies Justify your answer?
No. The difference between these two isotopes of chlorine is in the number of neutrons that their nuclei have, while chemical properties are determined almost solely by the numbers and configurations of electrons in neutral atoms, which are the same for both isotopes of chlorine.
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
Which isotopes of uncharged elements have different numbers?
The isotopes of the same element has the same atomic number. But the mass number (atomic mass) is different.
What is chlorines mass number?
35,36 and 37. Chlorine has three stable isotopes chlorine-35, chlorine-36, chlorine 37 the most abundant of which are chlorine-35 and chlorine-37.
Why can chlorine molecules have three different values of mass number?
Chlorine atom has two isotopes - with Mass Number = 35 and 37. One Chlorine molecule can be any of three combinations - 35+35 = 70, 37+37=74 and 35+37 = 72.
What is the mass number in chlorine?
Chlorine has isotopes with mass numbers ranging from 32 to 40.
What same mass numbers do isotopes have?
Mass numbers of isotopes are different.
What does isotopes have to do with mass numbers?
isotopes of the same element have different mass number
Why does chlorine have fractional atomic mass?
Chlorine naturally occurs with mixed isotopes, and the number is an average of the atomic mass of those isotopes, in the proportion they are present. The isotopes have the same atomic number (protons), but their mass number can be different due to the presence of a different number of neutrons. These atoms of an element having a different number of neutrons are called isotopes.
Why does bromine have different mass numbers?
Bromine isotopes have different mass numbers because their atoms have different numbers of neutrons.
Will chlorine of mass number 35 and 37 have different valencies Justify your answer?
No. The difference between these two isotopes of chlorine is in the number of neutrons that their nuclei have, while chemical properties are determined almost solely by the numbers and configurations of electrons in neutral atoms, which are the same for both isotopes of chlorine.
What Have different isotopes of the same element?
Isotopes of the same element have different numbers of neutrons and mass.
How do you determine the atomic mass of chlorine?
Well, the CI atomic number is 17. The atomic mass is 35.4527 amu.There are two stable isotopes of chlorine with relative mass numbers 35 and 37. As the relative abundance of these isotopes are 75% and 25% respectively, the molar mass of chlorine is considered as 35.5 g/mol.
What is the nature of isotopes?
Isotopes have the same atomic number and different mass. This difference is due to different number of neutrons in them. That is why the mass of chlorine comes to be 35.5, a fraction.
How do the atomic mass numbers of different isotopes of an element compare?
The different isotopes have different atomic mass numbers, because the isotope has different numbers of neutrons. The protons and electrons are the same, so the change in mass number is the same as the change in the number of neutrons.
Do isotopes of an element have the same atomic mass but different atomic number?
The different mass numbers are due to different numbers of neutrons.
How are isotopes shown?
Isotope can be referred to as the different versions of the SAME ELEMENT. Such as Chlorine has isotopes of Chlorine - 35 and Chlorine - 37. This will just cause the difference in mass numbers because of the difference in neutrons. Chlorine -35 has 17 protons, 17 electrons and 18 neutrons making it to have a mass number of 35 and Chlorine - 37 has 17 protons, 17 electrons and 19 neutrons making it to have a mass number of 39. Some isotopes can be used in normal chemical reactions but some cannot.
