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Why is the sun's energy called nuclear energy?
The energy produced (or rather, converted) in the Sun comes from nuclear energy - that is, it involves changes to atomic nuclei. In this case, four hydrogen-1 atoms combine to one helium-4 atom. (The numbers refer to the isotopes involved.)
Energy is produced in the sun when two?
..particles (nuclei) fuse together to form heavier nuclei. Initially, two protons fuse together (hydrogen atom nuclei) to form deuterium. These in turn may fuse with further protons, or with another deuterium nuclei to for a helium nuclei. As the heavier nuclei form, lots of energy is released.
What happens in the core that marks the birth of a star?
Nuclear fusion, converting hydrogen nuclei into helium nuclei.
Is the sun made out of hydrogen and helium?
It definitely runs on hydrogen, and its made of helium, as well. --- Yes, it is mainly made of hydrogen which it uses as a fuel. It fuses hydrogen nuclei together to form helium, producing huge amounts of energy through this nuclear fusion reaction. Helium is produced by this reaction. The most important fusion reaction is stars the size of our Sun, is the so called 'Proton - proton' reaction, which in summary, combines 4 nuclei of Hydrogen to produce one nucleus of Helium, plus two nuclei of Hydrogen, and positrons and gamma rays. Gamma rays get transformed inside the sun into less harmful electromagnetic radiations. There are other fusion reaction inside stars, which combine lighter atom nuclei into heavier nuclei, going up to producing carbon C and iron Fe nuclei.
How are the elements carbon nitrogen and oxygen produced in stars like the sun?
These fusion (carbon , nitrogen , and oxygen) reactions form nuclei of sightly heavier elements.
When the nuclei of hydrogen and lithium are fused together what element is produced?
When the nuclei of hydrogen and lithium are fused together, helium is produced.
Isotopes of hydrogen differ in what?
Isotopes (of hydrogen) differ in the number of neutrons in the nucleus of the atoms.
When the atomic nuclei of hydrogen and lithium are squashed together what is the element produced?
When the atomic nuclei of hydrogen (specifically, hydrogen isotopes like deuterium or tritium) and lithium are fused together under extreme conditions, they can produce helium. This process occurs in stellar environments, such as in stars where fusion reactions take place. Additionally, the fusion of lithium with hydrogen can also produce isotopes of helium, along with other particles like neutrons.
What do the nuclei of different plutonium isotopes have in common?
The nuclei of different plutonium isotopes all contain 94 protons, which define the element as plutonium. The isotopes differ in the number of neutrons they contain, resulting in different atomic masses for each isotope.
The nuclei of isotopes contain different numbers of .?
Neutrons
Different isotopes of an element have a different number of neutrons in the nuclei?
YES!
What is the name for atoms of an element that have different masses?
An atom or element that have different masses are known as isotopes.
What cause different isotopes to have different atomic masses?
Different numbers of neutrons in their nuclei.
Does all atoms have neutrons in their nuclei?
No, not all atoms have neutrons in their nuclei. Some atoms, known as isotopes, can have varying numbers of neutrons in their nuclei while still belonging to the same element. For example, hydrogen has three isotopes: protium (no neutrons), deuterium (one neutron), and tritium (two neutrons).
Isotopes are atoms whose nuclei have the same atomic number bith with different number of?
Isotopes are atoms of the same element with the same number of protons but different numbers of neutrons in their nuclei. This results in isotopes having the same chemical properties but different atomic masses.
What does a hydrogen bomb use for its explosive power?
A hydrogen bomb uses nuclear fusion, the process of fusing hydrogen atoms together, to release a massive amount of energy. This energy release is what generates the explosive power of a hydrogen bomb.
When a pair of hydrogen isotopes is fused is the mass of the product nucleus more or less the sum of the masses of the two hydrogen nuclei?
Because of conservation of matter the nucleus would weigh the same as the sum of the two isotopes.
