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there are three kinds of particle: protons, nuetrons and electrons.The nucleus, the tiny core of the atom,cothere are three kinds of particle: protons, nuetrons and electrons.The nucleus, the tiny core of the atom,contains protons and neutrons.The region beyond the nusleus contains(negatively charged)electrons that balance out the charge of the protons.There are roughly as many protons as neutrons,which is why the atomic weight is about(but not exacly)twice the atomic number.because like charges repel each other,there is always a force trying to push the protons apart.Provided there are not too many protons in the nucleus, other forces can hold the protons together.but if the ratio of protons to neutrons is not within certain limits,protons may not be held firmly together,and they form an unstable nucleus.This is what makes isotopes of some elements radioactiventains protons and neutrons.The region beyond the nusleus contains(negatively charged)electrons that balance out the charge of the protons.There are roughly as many protons as neutrons,which is why the atomic weight is about(but not exacly)twice the atomic number.because like charges repel each other,there is always a force trying to push the protons apart.Provided there are not too many protons in the nucleus, other forces can hold the protons together.but if the ratio of protons to neutrons is not within certain limits,protons may not be held firmly together,and they form an unstable nucleus.This is what makes isotopes of some elements radioactive
What else can I help you with?
Does Barium have isotopes that are all radioactive?
No, Barium has both stable and radioactive isotopes. Out of its 25 known isotopes, only 6 of them are considered radioactive. The most stable isotope of Barium is Barium-138, which is not radioactive.
Which element in group 16 has unstable isotopes?
Polonium is the element in group 16 that has unstable isotopes. It is a radioactive element with no stable isotopes.
Does uranium exist in a stable non-radioactive form?
All the isotopes of uranium are radioactive and unstable.
Which lanthanide element and which transition element have only radioactive isotopes?
All or almost all elements have radioactive isotopes if artificial isotopes are included. Among the naturally occurring elements, uranium, polonium, radium, and thorium have naturally occurring radioactive isotopes on earth.
Is americium a radioactive metal?
Yes, americium is a radioactive metal. This element has no stable isotopes.
What is half-life as it relates to a radioactive element?
It really applies to radioactive isotopes, not elements. An element may have different isotopes, some of which are radioactive, some not.The half-life is the time it takes for half of a sample to decay - for the atoms to convert to some other type of atom.
What element is memeber of this group all isotopes of this element are radioactive?
There is no group specified so it is not possible to be sure about this answer but all isotopes of promethium are radioactive.
Does Barium have isotopes that are all radioactive?
No, Barium has both stable and radioactive isotopes. Out of its 25 known isotopes, only 6 of them are considered radioactive. The most stable isotope of Barium is Barium-138, which is not radioactive.
What element characteristic does radioactive isotopes have?
These isotopes are unstable and disintegrate emitting radiations.
Which element in group 16 has unstable isotopes?
Polonium is the element in group 16 that has unstable isotopes. It is a radioactive element with no stable isotopes.
Is Pm a radioactive substance?
Pm is Prometheum. All isotopes of this element are radioactive.
How do an isotopes and a radioactive isotopes ifferent?
Simply by being radioactive or not. An isotope is an atomic variant of the same element, and has the same chemical characteristics, but is not necessarily radioactive.
What element has all of their isotopes radioactive?
An example is uranium.
Does uranium exist in a stable non-radioactive form?
All the isotopes of uranium are radioactive and unstable.
Which lanthanide element and which transition element have only radioactive isotopes?
All or almost all elements have radioactive isotopes if artificial isotopes are included. Among the naturally occurring elements, uranium, polonium, radium, and thorium have naturally occurring radioactive isotopes on earth.
Is americium a radioactive metal?
Yes, americium is a radioactive metal. This element has no stable isotopes.
Is astatine an example of radioactive element?
Yes. There are no stable isotopes of astatine, they are all radioactive.
