Q4: Using the principle of precision, prove the impossibility of having an electron inside the nucleus, noting that the radius of the nucleus is m (1x10⁻¹⁴)

Q: An atom of the isotope 138Ba2+ consists of how many protons (p), neutrons (n), and electrons (e)?

A: Isotope is an element with same atomic number but with different mass number. Protons(e+) are the…

Q: An atom of calcium is represented by 12C.. How many neutrons are in the nucleus of this atom?…

A:

Q: An atom of rhodium (RhRh) has a diameter of about  2.7×10−8cm2.7×10−8cm. What is the radius of a…

A: The radius of an atom is half of its diameter. 1 Å = 10−8 cm

Q: Bromine has two naturally occurring, non-radioactive isotopes.  If you were looking at a mass…

A: Introduction- An isotope is the one that is having same atomic number but a different mass number.…

Q: Give the nuclear symbol (isotope symbol) for the isotope of bromine, Br, that contains 46 neutrons…

A: The atomic number of bromine is 35. Given that the isotope of bromine which contains 46 neutrons per…

Q: Millikan determined the charge on the electron by studyingthe static charges on oil drops falling in…

A:

Q: How can we explain the distinct lines that appear in an atomicspectrum?

A: Anatomic spectra are also known as line spectra are an emission spectrum obtained by observing the…

Q: Only two isotopes of boron (B) occur in nature; theiratomic masses and abundances are given in the…

A: Concept introduction: Isotope is defined as atoms of same element with same atomic number but…

Q: What is the mass number of an ion with 106 electrons, 159 neutrons, and a +1 charge? Express your…

A: Since it is an ion, the number of electrons is calculated with the expression given below in which…

Q: In a mass spectrometer with an electron ionization source (EI) does the mass of an ion affect its…

A: Electron ionization (EI) is known as electron bombardment ionization in which energetic electrons…

Q: The astronaut then measures the abundance of silicon on the new planet, obtaining the following…

A: Isotopes are defined as the ones which have same atomic number but different mass number. Atomic…

Q: What are the labels on the axes of a mass spectrum? (c) Tomeasure the mass spectrum of an atom, the…

A: b) In a mass spectrum relative abundance or signal intensity is drawn as a function of mass to…

Q: Complete the second row of the table with the number of protons, neutrons, and electrons for 29Si.…

A:

Q: Give the nuclear symbol (isotope symbol) for the isotope of bromine, Br, that contains 46 neutrons…

A:

Q: For each representation of a nucleus A through E, write the atomic symbol, and identify which are…

A: Those chemical species in which the atomic number is same but there is a change in the atomic mass…

Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

A:

Q: If an atom were 4.5 football fields long, the nucleus would be the size of   a. a grape seed.   b.…

A: Given: Atom is 4.5 football field long To determine: Size of nucleus

Q: For the following atoms, give the number of protons, neutrons, and electrons: Part C Si Express your…

A: The number of protons in an atom is equal to the atomic number of that atom. In a neutral atom, the…

Q: Determine the number of protons and electrons in each of the following. Zn2+

A: The species given is Zn2+.

Q: What are the number of protons, neutrons, and electrons in the following isotopes? Part C Express…

A: Number of protons (Np) = Number of electrons (Ne) = Atomic number   Number of neutrons (Nn) = Atomic…

Q: Which of the following is true?    a) There are only protons in the nucleus of the atom.  B) It…

A: Which of the following statement is true ?

Q: By one estimate, an electron travels around the nucleus of an atom at a speed of 1.50 x 10^6 m/s.…

A: A) To change m/sec into km/Hr we multipy 18/5 1.5×106×18/5= 5.4×106km/hr

Q: Please answer 15 Part A

A: Dear student this question is related to mass spectrometry.

Q: 1. A 1.2-gram sample of lanolin was treated with Wij’s solution and excess potassium iodide…

A: Since you have posted multiple questions and not specified which one to solve, we will solve the…

Q: The astronaut then measures the abundance of magnesium on the new planet, obtaining the following…

A: Step → 1Average atomic mass = ∑ (% abundance x mass of isotope 100

Q: I do not understand 1s22s22p63s23p64s1  Is there a sort of counting that has to be done on the…

A: The electronic configuration of any element is written based on the atomic number of the element…

Q: 1. A 1.2-gram sample of lanolin was treated with Wij’s solution and excess potassium iodide…

A: Since you have posted multiple questions and not specified which one to solve, we will solve the…

Q: Five calcite, CaCO3CaCO3 (MM 100.085 g/mol), samples of equal mass have a total mass of 12.1±0.1…

A: Given , 5 calcites samples having equal masses 12.1±0.1 g

Q: A new compound has the empirical formula GaCl2. Thissurprises some chemists who, based on the…

A: The empirical formula of new compound is s GaCl2 . Since gallium is belongs to group 13, it exhibit…

Q: 1. A 1.2-gram sample of lanolin was treated with Wij’s solution and excess potassium iodide…

A: Since you have posted multiple questions and not specified which one to solve, we will solve the…

Q: Q5/ A- Atoms are spherical and so when silver atoms pack together to form silver metal, they cannot…

A: 5- (A)

Q: Con The gold fol Rutherford used in his scattering experiment had a thickness of approximately 4103…

A: Given: Diameter of a single atom = 2.9 x 10-8 cm Thickness of a gold foil = 4 x 10-3 mm = 4 x 10-4…

Q: The ratio for an mass-to-charge electron is 5.64x10−12 kg/C. In another experiment, using Millikan's…

A: Millikan did an experiment to determine the mass to charge ratio for an electron which was known as…

Q: A carbon atom has a diameter of 67 pm. If the nucleus of an atom is 100,000 times smaller than the…

A: The volume of sphere (atom or nucleus) is directly proportional to cube of its radius.

Q: What two pieces of evidence allowed the first calculation of me , the mass of the electron?(a) The…

A: Electron is a subatomic particle having electric charge negative.Electron has high q/m ratio than…

Q: An American penny is 97.5% zinc and 2.5% copper and hasa mass of 2.5 g. Use the approximation that a…

A: Given, An American penny is 97.5% zinc and 2.5% copper and has a mass of 2.5 g. Use the…

Q: On a distant planet, the element silver has an average atomic mass of 107.94 amu and only two…

A: Average atomic mass of silver = M = 107.94 amu  Atomic mass of mass of one isotope (Let isotope A) =…

Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

A:

Q: Ernest Rutherford concluded from experiments that they indicated nuclei of atoms are relatively O A.…

A: Correct ans- Far apart and positively charged.

Q: Millikan discovered that the charge of an electron is -1.6 x 10 19 coulombs. O True O False

A: Millikan discover the charge of an electron by using oil- drop experiment.

Q: Which of the following formulas can be reduced to a smaller whole number relationship among atoms?…

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Q: J.J Thomson is credited for discovering the proton (True or False) True False

A: British physicist sir J.J.Thomson was discovered first subatomic particle electron.Electron…

Q: Thank you for trying to help  answering my question but I think I need to rephrase it if I have…

A: With the help of physical and chemical methods, we can differentiate between these metals. Following…

Q: An atom has a diameter of 1.50 À and the nucleus of that atom has a diameter of 2.50 x 10-5 A.…

A: Since you have posted multiple unrelated questions, we are entitled to answer the first only.

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.