What is Atomic physics?
Q: An Atomic Mass Unit is defined as the mass of a __________________________ . Group of answer choices…
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Q: Where in the atom is most of its mass concentrated?
A: The atom comprises of three sub-atomic particles, proton electron and neutron. The protons and…
Q: Distinguish between mass number and atomic mass?
A: Both the atomic mass and mass number is associated with representing the mass of the atom of an…
Q: Which element has the lightest atoms?
A: The element that has the lightest atoms is hydrogen.
Q: What influence does the strong nuclear force have on the electrons in an atom? It attracts them…
A: Strong nuclear force is the binding force that acts as a glue holding the protons and the neutrons…
Q: What fraction of this lithium atom's mass comes from its electrons?
A: Since the atomic mass of the lithium atom is M=6.941amu The mass of an electron is…
Q: The half-life of 20 kg of Bismuth -210 is 20 minutes. Explain this statement?
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Q: If you have a sample of an element, it is made of atoms that all have the same number of which type…
A: To identify : The atoms in a sample of an element have the same number of which type of particlesin…
Q: What is Particle physics?
A: Particle Physics is the branch of science that deals with the nature of the particles that…
Q: A natural process by which atomic nuclei emit energy or particles is called?
A: Unnoticed major natural occurrences can be found all around us. Some atomic phenomena, like…
Q: The atomic nucleus is most often made up of
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Q: Illustration of how elements are formed
A: During the big bang, the lightest elements including hydrogen and helium were formed initially. They…
Q: Which two scientists proposed an atomic model with a nucleus
A: Two scientist name who proposed an atomic model
Q: Element symbol Protons Neutrons Electrons Mass number Mg 24 20 20 11 23
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Q: Fill in the nine gaps in this table. Element symbol Be Protons 6 Neutrons 8…
A: Beryllium is denoted as Be. Carbon is denoted as C. Sodium is denoted as Na.
Q: Fill out the table below. Atomic Mass Number of Number of Name Symbol Charge number Number neutrons…
A: The atomic symbol is of the form XZA, where X is the symbolic representation of the element, A is…
Q: If the half-life of a given substance is 65 days, how long will it take for a 100- gram sample of…
A: Half life Initial mass Final mass
Q: Name three different types of evidence for the existence of atoms.
A: Following are the three different type of evidence that proves the existence of the atoms.…
Q: Choose the BEST answer to the following. When an element ejects an alpha particle, the atomic number…
A: Generally nuclear decay changes the number of protons in the nucleus of an atom and changes the…
Q: What is meant by the half-life of a quantity?
A: Half-life refers to the amount of time it takes for half of a particular sample to react.…
Q: In radioactive decay, which of the following depends on the number of atoms present?
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Q: If you start with 100% of an element that has a half-life of 1 year, what % of the element will be…
A: Given data: Initial amount (N0) = 100% Half life (t1/2) = 1 year Total time (t) = 5 years Required:…
Q: What element results if you add a pair of protons to the nucleus of mercury? (See the periodic…
A: The number of proton is 80 and the number of neutrons is 121. Representation of the nuclei:
Q: What change in atomic number occurs when a nucleus emits an alpha particle? A beta particle? A gamma…
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Q: Q2- What happens to the atomic number and mass number of a nucleus when it a- Emits an alpha…
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Q: What isotopes of hydrogen fuse best at “moderate” temperatures?
A: Hydrogen, deuterium, and tritium are the three isotopes of element hydrogen. Number of proton are…
Q: Being the great space adventurer that you are you arrive on Mars as part of a scientific expedition.…
A: Number of protons (Z) = 213 Number of neutrons (n) = 73Number of electrons = 213
Q: What will happen when an electron returns to its original energy level?
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Q: Differentiate between gamma rays and X-rays.
A: Differences between gamma rays and X-rays are shown below.
Q: If the half-life of an isotope is two years, what fraction of the isotope remains after six years
A: Amount of radioactive material after time t is given by: N = N0*exp(-lambda*t) lambda = decay…
Q: What is binding energy, and how does it relate to the stability and mass of atomic nuclei?
A: Binding energy in the context of atomic nuclei refers to the energy required to disassemble a…
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