What are isotopes * Your answer?

Isotopes are two or more types of atoms that have the same atomic number (number of protons in their nuclei) and position in the periodic table (and hence belong to the same chemical element), and that differ in nucleon numbers (mass numbers) due to different numbers of neutrons in their nuclei.

What is isotopes Mcq?

Particles having the same atomic number but different mass number are called_____. Explanation: Isotopes are defined as the elements having same atomic number but they differ in their mass number and chemical characteristics. Explanation: the U-235 isotope of uranium is easily and readily fissionable.

Do all elements have isotopes?

All elements have isotopes. There are two main types of isotopes: stable and unstable (radioactive). Some elements can only exist in an unstable form (for example, uranium). Hydrogen is the only element whose isotopes have unique names: deuterium for hydrogen with one neutron and tritium for hydrogen with two neutrons.

What are 3 isotopes?

There are three isotopes of the element hydrogen: hydrogen, deuterium, and tritium. How do we distinguish between them? They each have one single proton (Z = 1), but differ in the number of their neutrons. Hydrogen has no neutron, deuterium has one, and tritium has two neutrons.

How do you identify isotopes?

Isotopes are identified by their mass, which is the total number of protons and neutrons. There are two ways that isotopes are generally written. They both use the mass of the atom where mass = (number of protons) + (number of neutrons).

What are isotopes in chemistry class 9?

Isotopes: Isotopes are atoms with the same number of protons but that have a different number of neutrons. Since the atomic number is equal to the number of protons and the atomic mass is the sum of protons and neutrons, isotopes are elements with the same atomic number but different mass numbers.

Are isotopes the same element?

Isotopes are atoms of the same element that have different numbers of neutrons but the same number of protons and electrons. The difference in the number of neutrons between the various isotopes of an element means that the various isotopes have different masses.

What are isotopes and how are they formed?

Isotopes are formed by changing the number of neutrons in an atom. Sometimes, the isotopes are used for different things. Carbon-12 is the pure form, C-13 is used in spectroscopy, and C-14 is used in dating.

What are the examples of isotopes and their uses?

Carbon dating makes use of Carbon-14,an isotope of Carbon.

Uranium Isotopes are popular for its use in nuclear reactors.

Radioactive Isotopes are used for medicinal purposes.

Cobalt (cobalt-60) isotope of carbon is applied in cancer treatments.

Iodine (Iodine-131) isotope of carbon helps in the treatment of goitre.

How do you calculate isotopes?

The atomic weight is calculated by adding the mass of each isotope multiplied by its fractional abundance. For example, for an element with 2 isotopes: atomic weight = massa x fracta + massb x fractb. If there were three isotopes, you would add a ‘c’ entry. If there were four isotopes, you’d add a ‘d’, etc.

What are isotopes in simple terms?

Isotopes are atoms that have the same number of protons and electrons, but a different number of neutrons. Changing the number of neutrons in an atom does not change the element. Atoms of elements with different numbers of neutrons are called “isotopes” of that element. Naming Isotopes.