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How many natural elements are there?
Out of the first 92 elements, 1 being hydrogen (H) and 92 being uranium (U), there are 90 that are naturally occurring. Technetium (Tc) and promethium (Pm) are man-made elements and do not have any isotopes occurring naturally.
What is the range of neutron to proton ratios for stable isotopes?
The range of neutron to proton ratios for stable isotopes typically falls between about 1:1 to 1.6:1. For lighter elements, stable isotopes generally have a neutron-to-proton ratio close to 1. As the atomic number increases, the ratio tends to rise, reflecting the need for more neutrons to counteract the increasing electrostatic repulsion between protons in the nucleus. Isotopes outside this range are often unstable and prone to radioactive decay.
Why are protons and neutrons used in the subatomic particle?
Protons and neutrons provide the mass of an atom. Each different kind of element has a unique number of protons. For example: all hydrogen atoms have one proton. However, not all hydrogen atoms have the same mass. Some hydrogen atoms have no neutrons, one neutron, or two neutrons. Atoms of the same element (one proton) but different numbers of neutrons (different masses) are called isotopes of that element. All elements have isotopes. Some isotopes of elements are radioactive and are useful in medicine and energy applications (nuclear, for instance).
How many protons electrons and neutrons dose tantalum have?
Tantalum has 73 protons and electrons and its isotopes have 108 or 107 neutrons.
How many elements are in a molecule of H2SO4?
i think there are 3 elements hydrogen; sulfur; and oxygen
Are all radioative elements synthetic?
No, some elements (Ac, Th, Pa, Rn, U, Th, etc.) and many other isotopes are natural elements or isotopes.
Are all transition elements are radioactive?
Not all of the transition elements are radioactive. Many of them are, and some of them have common radioactive isotopes, but some of them have no naturally occurring radioactive isotopes. Please note that all elements have synthetic radioactive isotopes, at least.
Which elements have different isotopes?
Many elements have different isotopes: 1) Carbon - Carbon 12, Carbon 14 2) Hydrogen - Protium, Deuterium, Tritium 3) Chlorine - Chlorine 35, Chlorine 37 etc
Do synthetic elements and transition elements produced isotopes?
Yes, synthetic elements and transition elements can produce isotopes. Synthetic elements, which are typically created in laboratories through nuclear reactions, often have unstable isotopes that decay over time. Transition elements, while many are stable, also have isotopes that can be either stable or radioactive, depending on the element and its nuclear configuration. The variety of isotopes in both categories can have applications in fields such as medicine, industry, and research.
What are elements with no stable isotopes called?
Elements with no stable isotopes are called radioactive elements. These elements spontaneously undergo radioactive decay, which leads to the formation of stable isotopes over time.
What is the average mass of the mixture of an elements isotopes?
All of the isotopes in an element's atomic masses divided by the amount of isotopes there are is the weighted-average mass of the mixture of an elements isotopes.
Are most of the periodic table isotopes?
No most of them are not isotopes. Few elements exist as isotopes.
What are the differences between elements and isotopes?
element vs isotopes
How many isotopes of elements x exist?
Different elements have between 0 and 10 naturally occurring isotopes, and between about 3 and 25 if you also include artificially prepared and characterized ones.
What isotopes are atoms of the same elements with different number of?
Isotopes are atoms of the same elements with different number of neutrons.
How many different elements appear in the uranium-238 decay series?
20 isotopes
Isotopes of elements?
Isotopes of elements are atoms with the same number of protons but different numbers of neutrons. This causes isotopes of the same element to have different atomic masses. Isotopes can be stable or unstable, with unstable isotopes undergoing radioactive decay.
