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[DOC File]Chemistry 199 - Oregon State University
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Mass Number. Atomic Number # of Protons # of Electrons # of Neutrons. Metal. Nonmetal. Metalloid Nobelium No 259 102 102 102 159 Metal Rutherfordium Rf 267 104 104 104 163 Metal Yttrium Y 89 39 39 39 50 Metal ____ 10. The smallest particle of an element that retains the properties of that element is a(n) ____. a. atom c. proton b. electron d ...
the mass of a proton

[DOCX File]Honors Atomic Class Packet Unit 3
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Particle Mass (g) Mass (amu) Charge Symbol Electron 9.109383 x 10-28 0.0005485799 -1 e- Proton 1.672622 x 10-24 1.007276 +1 p (or p+) Neutron 1.674927 x 10-24 1.008665 0 n (or n0) The atomic mass unit (amu) is a unit of mass used to express atomic and molecular masses. It is the mass of a carbon-12 atom.
mass of proton neutron electron

[DOCX File]Chemistry: Unit 3
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The proton is positively charged, and the neutron has no charge. The electron is negatively charged.(3.1d) Protons and electrons have equal but opposite charges. The number of protons equals the number of electrons in an atom. (3.1e) The mass of each proton and each neutron is approximately equal to one atomic mass unit.
proton electron neutron

[DOC File]Chemistry 199
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(The mass of a proton is 2000 times the mass of an electron). 10. Why do the photons from the annihilation of an electron–positron pair not themselves go on to create new electron–positron pairs? Practical advice. These are intended as simple practice calculations on energy changes in particle–antiparticle creation and annihilation.
electron size compared to proton

[DOCX File]Protons, Neutrons, and Electrons Practice Worksheet
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Mass. proton. 1+ in nucleus ~1 a.m.u. ... but the equations of the QMM tell us the probability that we will find an electron at a certain distance from the nucleus. quantum mechanical model. electron cloud model. charge cloud model. Biology Experiment. To conduct a biology experiment, you need 100 mL .
protons neutrons electrons quizlet

[DOCX File]General Chemistry I Test Bank - Christopher King
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Proton. Neutron. Electron. Both the proton and the neutron have a mass of about ___ amu, which the mass of an electron is usually thought of as ____ amu. To have a neutral charge, an atom has to have the same number of protons and _____. Does an atom need to have equal number of protons and neutrons? _____
mass of an electron

[DOC File]TAP 535- 4: Creation and annihilation
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(2 pts) Comparing the mass of an electron to the mass of a proton, one could say that the electron is _____much less_____ massive than the proton. (2 pts) Comparing the mass of a neutron to the mass of a proton, one could say that the neutron . is much less massive than the proton.
similarities between protons and electrons

[DOC File]Physics I -- Exam 3 Spring 2003
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6. Almost all the mass of an atom is concentrated in the nucleus. True. or False? The massive protons and neutrons are located in the nucleus. 7. The proton is about 1840 times heavier than the electron. True. or False? Rounded, it is often stated that a proton is 2000 times heavier than an electron.
mass of proton and neutron

Difference Between Electron and Proton (with Comparison chart) - …
Feb 03, 2016 · The atomic mass is also different for every element, and also for isotopes of the same element. The atomic mass is equal to the number of protons that an element has plus the number of neutrons that an element has. This is because protons have a mass of approximately 1 amu (atomic mass unit) and neutrons have a mass of approximately 1 amu.
the mass of a proton

Mass of proton and electron