Indexing pattern analysis refers to hkl values and the number and type of atoms per unit cell. * O False O True

Q: What is the approximate mass of an oxygen atom in atomic mass units?

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Q: Atomic Packing Factor (APF): This is defined as the ratio of total volume of atoms in a unit cell to…

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Q: The is the electron-emitting element of a tube.

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Q: Calculate the activity of a pure 9.5-μgμg sample of 32 over 15P (T1/2=1.23×106s).

A: Mass of sample (m) = 9.5 ×10-6 grams Molecular mass of P-32 = 32 grams Half life (T1/2) = 1.23×106…

Q: In each case, identify the element in question.(a) The mass number of an atom is 234, and theatom…

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Q: Order the following elements by increasing atomic radius according to what you expect from periodic…

A: In the periodic table as we move from left to right the atomic radius decreases.Arsenic(As)is a…

Q: compare between nature alpha and beta unit?

A: Answer:- Alpha Radiation :- emission of an alpha particle( an helium nuclei) Beta radiation :-…

Q: Calculate the mass of an atom using theatomic mass unit.

A: Since one a.m.u is equal to 1/12th of the mass of carbon atom. Consider 6.02×1023 atoms of carbon is…

Q: Write the complete nuclear symbol (with neutron number) for each. (Enter your answer in the form…

A: Isotopes of an element have same atomic number but different mass number. Different isotopes of an…

Q: 100% A Safari File Edit View History Bookmarks Window Help Wed 4:02 PM A uk.instructure.com how to…

A: Given information:The equation of the line in graph:Y = 1.1568 X – 0.0899

Q: What is the Atomic mass unit is defined as the mass of ?

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Q: Both statements are true.  Both statements are false.  First statement is true and second is false…

A: Answer:- Both statements are true.    Statements 1. To maintain electric neutrality, an atom must…

Q: A forensic tool used to identify the chemical makeup? A) calibur B) lie detector C) gas…

A: A forensic tool used to identify the chemical make-up of substances used in the commission of…

Q: Which element is a member of the halogen family? A B B I D K

A: In this question we are have to answer which element is a member of the halogen family.

Q: hypothetical alloy has a face-centered cubic unit cell. Its density is 10,470 kg/m3 and its atomic…

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Q: What you need pen and paper What to do: Answer the last wave of activities on this part of module.…

A: (1) Given Pencil is situated at 3f in front of Converging lens of focal length f

Q: Direction: Read then solve the question carefully. Click the letter of the correct answer. Question:…

A: To find Orbitals Electrons in 93Nb

Q: Molybdenum has an atomic radius of 0.145 nm. The volume of its cubic unit cell is 0.0375 nm3 . What…

A: radius (r) = 0.145 nm Volume = 0.0375 nm3

Q: Activity 1.1 Where Do I Belong? Objective. Compare and contrast elements and compounds Directions:…

A: In this, we have to draw a Venn-diagram by representing the element, compound and common in both.

Q: QUESTION 22 Chicago Pile was built under the leadership of Niels Bohr Enrico Fermi Otto Frisch…

A: Chicago pile was the world’s first artificial nuclear reactor

Q: Directions:The picture below shows a wire that has been cut. Use the picture to answer any questions…

A: To choose correct option in question 4 and 5

Q: List three subatomic particles. Discuss their charges and positions in an atom.

A: Subatomic particles The subatomic particles are  1.Electron 2.Proton 3.Neutron

Q: Direction: A. Complete the table below by filling the blanks with the correct value. Mass Number…

A: The  problem is based on nuclear physics, To solve the given problem we will define atomic number…

Q: You could swallow a capsule of germanium without ill effects. But, if a proton were added to each of…

A: One can swallow a capsule of germanium without ill effects. Because it contains 32 protons…

Q: Sketch a model of Carbon-13 with a (-2) charge. - Include the number of protons, neutrons, and…

A: Carbon-13 is an isotope of carbon that contains 6 protons, 7 neutrons and 6 electrons. It has no…

Q: How many types of atoms can you expect to find in a pure sample of any element?

A: Step 1To find the number of atoms in a given sample, we need to find the number of moles of the…

Q: Atomic force microscope can be used to image: a. Only semiconductor nanomaterials b. Only…

A: The atomic force microscope is used to study the wide range of field or department of natural…

Q: Comple.. e table below, using the diagram of an atom shown at right. Properties of subatomic…

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Q: Calculate the mass of an atom of (a) helium, (b) iron, and (c) lead. Give your answers in kilograms.…

A: The atomic mass unit,

Q: A radioactive element has a half-life of 3 days. The initial amount of that element is 1024 grams.…

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Q: Which of the following would affect atomic spectra? A 16 The element involved The atom's state of…

A: Spectra are produced when the exictied electrons are drop from the higher state to the ground state.…

Q: Choose the best answer to the following: The nucleus of an electrically neutral iron atom contains…

A: The atomic representation of iron is

Q: Nuclear sizes are expressed in a unit named A. Fermi B. angstrom C. newton D. tesla

A: Option (A) Fermi is the correct answer.

Q: What is the equation of state for 16 Kg of O2.

A: According to ideal gas equation, the product of pressure and volume is equal to the product of…

Q: Number of valencies in an Oxygen atom

A: The valency of an atom depends on the number of valence electrons in that atom. It is defined as the…

Q: Differentiate active and passive elements.

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Q: The value of Z in the element symbol below is called the Atomic Number and determines what type of…

A: Required :  The value of Z in the element symbol below is called the Atomic Number and determines…

Q: What's More Dr. Rivera, an atomic physicist, did various experiments using a particle accelerator…

A: In this question we have to answer related to particle acceleration experiment. Please give positive…

The Bohr model

Students often get confused between Rutherford’s model and Bohr model of an atom. They interpret the postulates of both these models to be the same, which is incorrect. Rutherford’s model differs from Bohr’s model in the following ways: