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If you build an atom using two protons, two neutrons, and two electrons, two electrons what have you built an atom of?
The number of protons is crucial in detemining the identity of the atom (or element). If the atom contains 2 protons, 2 positively charged nuclear particles, then $Z=2$, and the...
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The mass of an atom may be determined by adding the masses of the protons and neutrons in the nucleus and then subtracting the mass defect. Why is it unnecessary to include the electrons when determining the mass of an atom?
A proton has has about 1836 times more mass than an electron and neutrons are almost the same mass as protons.
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If an atom has 35 protons in the nucleus, how many electrons will it have orbiting the nucleus?
An atom is neutral as it has the same number of electrons that of protons. So, if an atom has 35 protons i.e. the of it is 35, then it...
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A carbon-12 atom has 6 protons, 6 neutrons, and 6 electrons. How many protons does a carbon-14 atom have?
carbon-12 and carbon-14 are of the same element, carbon. this means that they have the same number of protons and the same number of electrons - just different numbers of...
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Element X has two isotopes. X-15 has 7 protons and 8 neutrons. What is the atomic number and mass number of the second isotope, which has 10 neutrons in its nucleus?
The most important thing to keep in mind here is that are atoms that have the same number of protons inside their nuclei. In other words, an isotope...
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Boron has two isotopes, boron-10 and boron-11. Boron-10 has five protons and five neutrons. How many protons and neutrons does boron-11 have? Explain.
are given by the name of the element and the . Here boron-11 means the name of the element is boron and the mass number is 11. We are...
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$"Atom W has 9 protons and 9 neutrons, Atom X has 8 protons and 9"$ $"neutrons. Atom Y has 9 protons, and 9 neutrons. Atom Z has 10 protons"$
$"and 10 neutrons."$
What are the isotopes?
And $Z$ defines the identity of the element: $Z=1,H;Z=2,He;..........Z=6,C;........Z=37, Ru...........$ You don't have to remember these numbers, because a Periodic Table will be supplied to you in every test of...
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A lithium atom has positively charged protons and negatively charged electrons. The sum of the charges represents the charge of the lithium atom. How do you find the charge of the atom?
For the lithium atom, $Z=3$; there are 3 positive, nuclear charges. There are 3 extra-nuclear electronic charges, i.e. borne by the 3 electrons, in the neutral atom. Lithium generally loses...
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Sally is making a model of a Mg atom with an atomic mass number of 24. She has balls for the protons, neutrons, and electrons. She has added 6 neutrons to her model. How many more neutrons does she need to add to complete her neutral atom of magnesium?
$Z$, $"the atomic number"$ of magnesium is 12. This means that there are 12 positively charged nuclear particles. This defines the particle as a magnesium atom. To represent the $""^24Mg$...
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Describe Rutherford's model of the atom, including the location of protons, neutrons, and electrons with respect to the nucleus. How does this model explain the deflections of a beam of alpha particles aimed at a sheet of gold foil?
Excerpt from Doc048 April 28, 2017 The 1st structural model of the atom was proposed by J.J. Thompson => 'Plumb Pudding' Model based upon 'opposites attract'. The model proposed was...
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