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What are four forms of energy related to change in matter?
Four forms of energy related to change in matter are thermal (heat) energy, chemical energy, nuclear energy, and electrical energy. These forms of energy can cause physical or chemical changes in matter by providing the necessary energy for these changes to occur.
When a compound forms from element changes occur in the way that the atoms are?
Rearranged
How else are nuclear reactions unlike chemical reactions?
In nuclear reactions the atom itself changes while molecules and/or structural organisation of atoms do in chemical and physical changes.
When a compound forms from elements changes occur in the way that the atoms are whatr?
Tea
What is the study of changes that occur in atomic nuclei?
The study of changes that occur in atomic nuclei is known as nuclear physics. This field focuses on understanding the properties, behavior, and interactions of atomic nuclei, including processes such as nuclear decay, fission, and fusion. It plays a crucial role in various applications, including nuclear energy, medical imaging, and radiation therapy. Nuclear physics also contributes to our understanding of fundamental forces and particles in the universe.
How is lithium formed in stars?
Lithium is primarily formed in stars through cosmic ray spallation and through certain types of stellar nucleosynthesis processes, such as during the Big Bang nucleosynthesis. In stellar interiors, some lithium can also be produced through nuclear fusion reactions, though this is not a significant contributor to the overall lithium abundance in most stars.
What is the process by which the nucleus of an atom changes so that a new element is formed?
Nuclear transmutation is the process by which the nucleus of an atom changes, resulting in the formation of a new element. This can occur through radioactive decay, nuclear fission, or nuclear fusion, where the number of protons in the nucleus changes, leading to the creation of a different element.
In an ecosystem, the presence of many different species is critical for the survival of some forms of life when?
significant changes occur in the ecosystem
What are two main kinds of changes that can observe when chemical reactions occur?
a precipitate is a solid that forms during a chemical reactions
What are Two main kinds of changes that you can observe when chemical reaction occur?
a precipitate is a solid that forms during a chemical reactions
What element is used in nuclear fusion and in what forms?
The element is hydrogen. The easiest reaction to produce on earth (though still very difficult) is between deuterium and tritium. Deuterium is hydrogen with one proton and one neutron, tritium has one proton and two neutrons. Deuterium (heavy water) can be separated from ordinary water whilst tritium has to be made from lithium in a nuclear reactor, and it is radioactive with a half life of 12 years so it does not occur in nature.
What is the temperature required for nuclear fusion to occur?
The temperature required for nuclear fusion to occur is around 100 million degrees Celsius.
