Q1 a) Write the electronic configuration of an ion formed by an element of group1A and period 6. (2 marks) b) Mention the mass number and an atomic number of the above atom.(1 mark) c) What is the molarity of a solution containing 35 grams of CaClz in enough water to make 500mLof the solution? (2 marks) A- B I of

Q: 3. If "Ga and "Ga occur in the %'s 62.1 and 37.9, calculate the average atomic mass of gallium…

A: Solution of question 3 Given, The abundance of 69Ga = 62.1% The abundance of 71Ga = 37.9% Formula…

Q: Do both members of the following pairs have the samenumber of protons? Neutrons? Electrons?(a)¹⁶₈O…

A:

Q: Magnesia contains Mg?* and 02-. Which of these ions is larger? Explain.

A: Given that : Out of Mg2+ and O2- ion, we have to identify which one is larger.

Q: Please calculate, how many atoms exist in 1cm^3 of copper with the density 8,93 gr/cm^3 and the…

A: 1 cm3 of copper with the density 8.93 g/cm3, whose number of atoms is to be determined.

Q: a. How many neutrons are in K-41?b. Write the electron configuration for potassium.c. Which is the…

A: The electron, proton, and neutrons are known as the subatomic particles present in the nucleus of an…

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: An oxide of phosphorus with Mr = 283.88 contains 43.64% of phosphorus by mass. The MOLECULAR FORMULA…

A: The percent of an element in a compound can be related to the mass of the element in gram. The…

Q: Review items 1 to 6 and answer questions a and b: The activities were designed to produce an EX4…

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Q: tor the elumantal 198 Re 75 Symbol There are protons and neutrons

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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: Which element is more likely to gainelectrons, potassium or chlorine?

A: The element, which is more likely to gain electrons has to be given.

Q: M+1 and M+2 relative eak). Use the isotope d. C10H19CI e. CioH19Br

A:

Q: Protons and neutrons have Mass .......... .... wwwww less O equal O high O Other O specific metal…

A: Atomic weight = 180gm/mole Density =16.6 gm/cm^3 ->it is BCC structure.

Q: 10. Which of the following does not match the others? 1.68 5 (A) 67.2 3.88 1 1000 100 10 1 AU,…

A: From the graph of number of electrons vs ∆UE, it is clear that the electronic configuration is 2, 2,…

Q: 1.4 39.6 2.45 1000 100 10 0.1 AU, (MJ/moI) #of electrons

A: Solution :     Photoelectron Spectra is used to remove an electron from any shell in the atom. We…

Q: Fill in the blanks:(a) The symbol and atomic number of the heaviest nonradioac-tive noble gas are…

A: The periodic table is the representation of elements that are arranged by atomic number, electronic…

Q: Is S²⁻ larger or smaller than Cl⁻? Is Mg²⁺ larger or smallerthan Na⁺? Explain.

A:

Q: 2)Why did the observed chemistry of thallium mislead Mendelev to place the group 13 element (Tl) in…

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Q: Naturally occurring magnesium has the following isotopicabundances: Isotope Abundance (%)…

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Q: Little is known about the properties of astatine, At, becauseof its rarity and high radioactivity.…

A: Due to Astatine high radioactivity, very less information we are having:     a)  Astatine is solid…

Q: a ) Eva l u a te t h e expre s s i o n s 2 x 1, 2 x (1 + 3),2 x(1 + 3 + 5), and 2 x (1 + 3 + 5 + 7).…

A: In the expression, the total number of valence electron is calculated in which 2 is the number of…

Q: why doea a transition series contain 10 elements?

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Q: Kuantum sayısı kümesi n= 1,1= 0, m = 0, m,= +1 n= 1,1= 3, m = +3, m; = +1/2 n = 3,1= 2, m, = +3, m,…

A: The set of numbers used to describe the position and energy of the electron in an atom are called…

Q: n element consists of 1.40% of an isotope with mass 203.9730 u, 24.10% of an isotope with mass…

A: Given that, Element consists of 1.40% of an isotope with mass 203.9730 u, 24.10% of an isotope with…

Q: what is the atomic number for 37Cl with a charge -1

A: Given that, Cl-37 Charge = -1

Q: The ground state of Tin (heavy atom) is ²D3/2, calculate the value of uj?

A: The given ground state of Tin is the ground state term symbol. It defines the state of the electron…

Q: Part 6: 6A. Name the following compounds: a. Nal b. СаCl, c. NF, d. CaCO, еe. Zn(ОH), f. Ag,SO, g.…

A: Ionic compounds are neutral compounds made up of positively charged ions called cations and…

Q: The atomic number of an element is IA Number of electrons in a neutral atom Number of protons in the…

A: 39,40,41 questions has one or many options are current.  A) If 1,2,3 are currect. B) If 1 and 2 only…

Q: Ammonia is a gas with a characteristic pungent odor. It is sold as a water solution for use in…

A: Given information,

Q: How many distant nucleus pairs are in NH, molecule? a. 16 b. 1 C. 8 d. 6 c. 4 f. 2 9. 12 h. 3

A: Distant nucleus pairs can be calculated by considering number of nucleus.

Q: 6. How many protons, electrons, and neutrons does "K* have

A:

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: Identify the isotopic ion, parent ion, and the most and least stable ion in the mass spectrum shown…

A: II = parent ion, I= isotopic ion, IV = base peak (most stable ion), III = least stable ion. V =…

Q: 3. Derive the expression of the electron's charge to mass ratio: e 125R?V 32uN² 1²r2 me

A:

Q: Consider the stable elements through lead (Z = 82). Inhow many instances are the atomic weights of…

A: Up to Z=82, there are three instances where atomic weights of the elements is reverse out of order…

Q: Identify the major difference and the major similarityamong isotopes of an element

A: Given information,   The major difference and the major similarity among isotopes of an element

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: The atomic radius of E is 107 pm and tiat of E is 231 pm. Calculate the percent increase in volume…

A: The atomic radius of E is = 107 pm The ionic radius of E- is = 231 pm Percent increase in the volume…

Q: 1. There are three particles (A, B, C) in a linear arrangement:  A---B---C. Calculate the…

A: As there are multiple questions, we will solve the first one for you. For the rest to be solved,…

Q: Determine the percent abundance for J-67 and J-68, given the following data: The average atomic mass…

A: Isotopes which have same  number of protons but different number of neutrons.

Q: An element has 2 naturally occurring isotopes with the following masses and abundances. A. Calculate…

A: Given  2 Naturally occurring Isotopes of an element  Isotope mass = 34.97 amu Percentage abundance…

Q: Which phrase beat describes the structure of an atom A: Nucleus surrounded by electrons in set…

A: Atom is made up of protons, neutrons and electrons and electrons are revolving around the nucleus.

Q: nent tellurium fo

A:

Q: The sum of IE1through IE₄ for Group 4A(14) elements shows a decrease from C to Si, a slight increase…

A: (a) On moving down the group, the size of the element increases due to the increase in the number of…

Q: Consider the mass spectrometer shown in Figure 2.11. Determinewhether each of the following…

A: Whether the given statement is true or false to be determined.

Q: Q4: What is the effective nuclear charge (52TE). on electrons in a 4s, 5s and 4d for tellurium…

A: Electronic Configuration of Te, Tellurium =52 = 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 4p6, 4d10,5s2, 5p4…

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…