Please calculate, how many atoms exist in 1cm^3 of copper with the density 8,93 gr/cm^3 and the atomic weight 63,5gr

Q: ormat Slide Arrange Tools Layout Transition Background Theme I IRIQ III . 2 ... .a II .4 .I..…

A: Solution- 1. The iron have 30 neutrons  Becuase atomic mass - no of proton or electrons or atomic no…

Q: What is the atomic weight of element X of an atom X-23 which have an isotopic mass of 23.02amu and…

A: The Atomic Weight of element X ofX23⇒23.02 amu isotopic mass ,X25⇒25.14 amu isotopic mass .

Q: Get 3 proton-rich  isotopes and 3 neutron-rich isotopes including the stable isotope (N = Z) of an…

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Q: and 2 (At Hom ise 2.107 25 of 27 I Review | Constants | Periodic Table ef uses a bag of sand to…

A: Step → Since,       mass = density×volume

Q: The element lithium has an atomic weight of 6.941 amu. There are only two isotopes of lithium,a6Li…

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Q: In which ways can isotopes differ? Select all the possible ways. C a. Size b. Atomic Number c.…

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Q: Calculate the atomic mass of the element: Mass                Abundance 22.1760             45.00%…

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Q: Which of the following is False?a. An element is defined by its atomic number.b. Ninety-two elements…

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Q: The element lithium has an atomic weight of 6.941 amu. There are only two isotopes of lithium,a6Li…

A: It can be calculated as :-

Q: A sample containing 1.00X 10 stored for 135 day s will remain at the end of the storag e period of…

A: Reaction in which rate is linearly depend upon one reactant is known as first order reaction.

Q: Symbol Atomic number charge Mass number Electron number Neutron number Proton number w m 16 127 53…

A: Mass no.= Number of protons + Number of neutrons Atomic number = Number of protons

Q: Part C 98 43 Enter your answers numerically separated by a comma. ? ....... Np, Nn = protons,…

A: The question is based on the concept of atomic structure. We have to identify number of subatomic…

Q: What letters are used to designate atomic number and mass number in isotopic notation of atoms?

A: There are different symbols are used to exhibit atomic Number and mass number of atoms. Atomic…

Q: Two isotopes of rubidium occur naturally, with 37/85Rb at 72.17% (84.91 amu) and 87/37Rb at 27.83%…

A: The average atomic mass of an element is determined by taking the weighted average of the atomic…

Q: Which particle diagram represents a mixture of three substances? * 1 point Key O = an atom of one…

A: option 2  here in this image , there are 3 different types of molecules 1) two atoms of one element…

Q: How many protons are in the nucleus of an atom of each.( put  between each number ex, 12,24,10,5,3…

A: An atom can be considered as the smallest unit of any matter. An atom is composed of certain…

Q: Select the best answer or answers from the choices given: Which set of terms best describes a…

A: Given choices,    (a) negative charge, massless, in the orbital    (b) positive charge, 1 amu, in…

Q: A rough estimate of the radius of a nucleus is provided by the formula r 5 kA1/3, where k is…

A: The given radius is: where k is the Fermi constant (1.3×10-13cm) and A is the mass no. of Iodine…

Q: Particles called muons exist in cosmic rays and can be created in particle accelerators. Muons are…

A: a)

Q: The mass of a cesium (Cs, atomic number 55) atom is 2.21×10−25 kg, and its radius is R = 2.65×10−10…

A: An atom can be considered as the smallest unit of any matter. An atom is composed of certain…

Q: The type of element an atom is depends solely on the number of ______________________ it has.   a.…

A: Explained as follows

Q: Write the atomic configuration of these elements a. K-19 b. Sb-51 c. Cu-29 d. Xe – 54 e. U – 92

A: The electrons can be arranged into different shells K, L, M, N and so on. Where K is the shell with…

Q: The element lithium has an atomic weight of 6.941 amu. There are only two isotopes of lithium,a6Li…

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Q: Given the isotopic data determine the average atomic mass of the element.  1) Show the calculation…

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Q: Which of the following elements has its name derived from its property of being slightly magnetic?*…

A: Isotopes are the different forms of an element.

Q: Does any element with ZS 92 match the description? If you checked yes, give the symbol of an element…

A: The question is based on the concept of periodic table. we have to identify whether element exist…

Q: Find the atomic weight Isotope Atomic mass (u) Natural Abundance (%) Li-6 6.02 7.5 Li-7 7.02 92.5

A: Calculation of average masse of lithium:

Q: The element lithium has an atomic weight of 6.941 amu. There are only two isotopes of lithium,a6Li…

A:

Q: Calculate the average isotopic mass of krypton given: Mass / u. Percentage (%) 77.920 0.350 79.916…

A: Calculation of average is done by Mavg = ∑MiXi

Q: Use the information below to calculate the atomic mass of magnesium. Isotope Isotope Mass (amu)…

A: Given   The atomic mass for magnesium-24 is 23.985 amu and abundance is 78.70. The atomic mass for…

Q: Q1. a- Please calculate, how many atoms exist in 1 cm^3 of Copper (Cu) with the density 8,93 gr /…

A: denisty of Cu = 8.93 g/cm3 Therefore in 1cm3 of volume 8.93 g of copper has been occupied(8.93 g /…

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

A: Answer :-  R44101u…

Q: If the heaviest isotope (A) is more abundant and the other isotopes (B & C) were less abundant,…

A: The periodic table's atomic mass is the average weight of all its isotopes. Average atomic mass of…

Q: Determine, by calculations, which isotope of cooper is the most abundant in nature

A: avg. atomic mass=∑i(isotopei×abundancex) With regards to the genuine computation, it's simpler to…

Q: Classify the following as either a fermion or a boson: (a) an electron. (b) a proton. (c) a neutron.…

A: Fermions are one of the two fundamental classes of particles. It is explained by Pauli's exclusion…

Q: enerqy of J of on at 3465 m/s. The mass of Colculate the kinetic electron moving ot 3965 m/s.The…

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Q: 3. Atoms are the smallest unit of an element. They're made up of a nuclei composed of 5. Elements…

A: 2) periodic table elements are categorised by their atomic number  3) nuclei have proton and neutron…

Q: Genetic ift-Wikip. - Algebra Foundatio. Image result for sur. 6 Classwork What belongs in place of…

A: Given, 26Mg  Number of neutrons = ? Mass number = 26 In the periodic table the atomic number of…

Q: b) Calculate the approximate atomic mass of potassium given this set of data: K- 39 92.36% K-40…

A: Average atomic mass: The average atomic mass of an element is the sum of the masses of its isotopes,…

Q: 99.759 15.995 Oxygen 0.037 16.995 0204 17.999 Isotopic abundance data is given for oxygen. Show your…

A: IsotopeAbundnce(%)atomic mass(amu)O81699.75915.995O8170.03716.995O8180.20417.999

Q: MCQ 35: Protons (p') and neutrons (n") constitut A. nucleus B. nucleon C. orbital D. diameter

A: The question is based on the concept of atomic structure. we are talking about subatomic particles…

Q: two isotopes of rubidium occur naturally, Rb with mass of 85 and atomic number of 37 at 72.17%…

A: Average atomic mass can be determined by the equation given below:

Q: Which of the following statements regarding atomic Br and Cl is FALSE?

A:

Q: 1. The radius of a Cl nucleus is 4.0 fm, and the radius of a Cl atom is 100 pm. (1 fm = 1 x 10-¹5 m;…

A: Radius of Cl nucleus is 4.0 fm And 1 Fm = 10-15 m radius of nucleus = 4 × 10-15m Diameter = 2 ×…

Q: What type of energy is measured by temperature? )Kinetic energy of particles Radiant energy of…

A: What type of energy is measured by temperature ?

Q: Element 118 was reportedly synthesized in 1999, but the claim was later retracted. As a consequence…

A: Element 118 name has configuration - Configuration - Rn5f14 6d10 7s2 7p6

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

A: The average atomic weight of the Molybdenum isotopes can be calculated as

Q: 11. Complete the following table by filling in the number of electrons in the last column and by…

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Q: What is the average atomic weight for a hypothetical element "Q" which is composed of the following…

A: The following data are given for the hypothetical element Q: The atomic mass of 1st the isotope, M1…

Group 14 Elements

The following elements come under group 14 of the periodic table.