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What it means when an element is radioactive?
Radioactive elements have unstable nucleii. When an unstable nucleus decays it emits energy in the form of electromagnetic waves and heavy particles and in the process forms new nucleii.
What are two different forms of radioactive decay?
Alpha and beta decays.
When an atom decays radioactively does it lose protons?
There are various different forms of radioactive decay, and there is one which involves the loss of protons by emission of an alpha particle, which is equivalent to a helium nucleus, containing two protons and two neutrons.
What is the first radioactive element that forms when uranium 238 decays?
The first radioactive element formed when uranium-238 decays is thorium-234. Uranium-238 undergoes alpha decay to form thorium-234.
What forms when iron-53 decays?
When iron-53 decays, it transforms into manganese-53 through beta decay, where a neutron in the nucleus is converted into a proton, releasing a beta particle (electron) in the process.
When a radon 222 nucleus decays what is the other product that forms?
Radon-222 undergoes alpha decay to produce polonium-218as a daughter.
What is another name for the newly formed isotope?
There isn't another name for isotopes. What it means is Any two or more forms of a chemical element, having the same number of protons in the nucleus, or the same atomic number, but having different numbers of neutrons in the nucleus, or different atomic weights. There are 275 isotopes of the 81 stable elements, in addition to over 800 radioactive isotopic forms.
When elements such as uranium and plutonium decay do they form different elements chemical reactions or larger compounds?
When an element "decays", it forms a different element. This is the definition of "decay" when referring to radioactive elements.
What new element is formed when radium decays?
The neutrons aren't really relevant, since we don't know what the mass of the radium nucleus was and the element is determined strictly by the number of protons anyway. Radium has an atomic number of 88; losing 4 protons would make the atomic number 84, which is polonium. (This is probably really a two-step process: radium -> radon -> polonium, where each step is an alpha decay.)
What is a nucleus that emits energy and particles spontaneously?
Any radioactive element gives off subatomic particles, and these particles carry considerable energy. That is the definition of radioactivity. Examples of radioactive elements include uranium, plutonium, polonium, radium, and many more.
What does being radioactive mean?
Exhibiting or caused by radioactivity.Radioactivity: the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay.Examples are radioactive isotopes [an unstable nucleus that undergoes radioactive decay], radioactive dating [the process by which the approximate age of an object is determined based on the amount of certain radioactive nuclides present], and radioactive decay [the spontaneous disintegration of a nucleus into a slightly lighter and more stable nucleus, accompanied by emission of particles, electromagnetic radiation, or both.]
What part of an atom forms a nucleus?
The nucleus forms the centre of the atom. The protons and neutrons are found in the nucleus of the atom.
