What do the numbers next to the isotopes represent?digital representation mass number of isotopes.3.

What is the number at the end of the isotope name?

Answer Expert Verified The number of protons and electrons remains the same for both isotopes. This means that the isotopes have different mass numbers but the same atomic number.When we write isotopes, the number at the end of the isotope name is mass number.

What do the numbers to the right of the isotope names tell us?

The atomic number is written as a subscript to the left of the element symbol, the mass number is written as a superscript to the left of the element symbol, and ionic charge, if any, is displayed as a superscript to the right of the element symbol. If the charge is zero, nothing is written at the charge location.

Who can distinguish between isotopes?

Isotopes can be distinguished by their mass. Isotopes of the same element have the same number of protons in their nucleus.

What is the importance of isotopes?

Isotopes of an element all have the same chemical behavior, but unstable isotopes in They emit radiation and reach a steady state. This property of radioisotopes can be used for food preservation, archaeological dating of cultural relics, and medical diagnosis and treatment.

Introduction and Definition of Isotopes

24 related questions found

What is the difference between nuclides and isotopes?

Isotopes and nuclides are closely related terms.When people talk about isotopes, they mean a group of nuclides have the same number of protons. Nuclides is a more general term referring to nuclides that may or may not be isotopes of a single element. … »U-235 is my favorite isotope of uranium. »

What do all potassium atoms have in common?

Potassium atoms have 19 electrons and 19 protons There is a valence electron in the shell. Potassium is thought to be chemically similar to sodium, the alkali metal above it in the periodic table. Under standard conditions, potassium is a soft, silver-white metal.

What is the mass number of this isotope?

The mass number of the isotope is The total number of protons and neutrons in the nucleus. If you know that a nucleus has 6 protons and 6 neutrons, then its mass number is 12. If the nucleus has 6 protons and 7 neutrons, its mass number is 13.

Which best describes the relationship between magnesium and phosphorus?

Which best describes the relationship between elements? Magnesium has a higher atomic number. Phosphorus has a large atomic mass. Magnesium and Phosphorus belong to the same category.

What is a nuclide symbol?

The nuclide symbol is Shorthand method for displaying atomic information. The numbers are arranged outside the atomic symbol. … in this case the number of electrons will be calculated by adding the charge to the number of protons (atomic number).

3 What are the main radionuclides?

On Earth, naturally occurring radionuclides fall into three categories: Primary Radionuclides, Secondary Radionuclides, and Cosmic Radionuclides.

Is nuclear force attractive or repulsive?

The nuclear force has a strong attraction between nucleons at a distance of about 1 femtometer (fm, or 1.0 × 10-15 meters), but it rapidly diminishes to insignificant distances beyond about 2.5 fm.At distances less than 0.7 fm, the core force becomes repulsive.

How to label isotopes?

Isotope labeling (or isotope labeling) is a technique used to track the passage of isotopes (atoms with detectable changes in neutron count) by reactions, metabolic pathways or cells. « labels » reactants by replacing specific atoms with isotopes.

How do you count isotopes?

For any given isotope, the sum of the number of protons and neutrons in the nucleus is called the mass number. This is because each proton and each neutron weighs one atomic mass unit (amu). By adding the number of protons and neutrons and multiplying by 1 amuyou can calculate the mass of the atom.

3 What are radioisotopes used for?

Different chemical forms are used in brain, bone, liver, spleen and kidney imaging and blood flow studies. Used to locate leaks in industrial pipelines… and oil well studies. For nuclear medicine, for nuclear cardiology and tumor detection.used Study bone formation and metabolism.

What are isotopes and their uses?

Radioisotopes have a variety of applications.However, in general, they are useful because we can detect them radioactivity Or we can use the energy they release. … (Recall that tritium is a radioactive isotope of hydrogen.) Tracers can also be used to track the steps of complex chemical reactions.

How are isotopes harmful?

Inhaling radioactive isotopes can damage DNA. Radioactive isotopes can be irradiated in the stomach for a long time. High doses can cause infertility or mutations. Radiation can burn the skin or cause cancer.

How can I tell if an isotope is unstable?

unstable isotope emits some kind of radiation, which means it is radioactiveA stable isotope is an isotope that does not emit radiation, or, if it does, its half-life is too long to measure.

How do we use isotopes in our daily lives?

Radioisotopes have many useful applications. For example, in medicine, cobalt-60 is widely used as a radioactive source to stop the development of cancer.Other radioisotopes are Tracers for diagnostic purposes and the study of metabolic processes.

Are radioisotopes with short or long half-lives more harmful?

Isotopes with long half-lives decay very slowly, so they produce less radioactive decay per second; they are less intense.isotopes with short half-lives more intense. In nuclear waste, isotopes with very short half-lives (such as days or even weeks) are not a major problem.