nucleus  and electrons in each shell for Se-76 and U-235

Q: Describe the reaction between Alkaline Phosphatase and PNPP.

A:

Q: How can ethos and pathos be used in informative writing?

A: Ethos and pathos used in informative writing.  

Q: Find the oxidation number of the central atom of the following polyatomic ions: permanganate ion  6...

A: Remember the following points to calculate the oxidation number. 1) Sum of the oxidation number of a...

Q: Liquid octane (CH, (CH,),CH;) CH;) reacts with gaseous oxygen gas (0,) to produce gaseous carbon dio...

A: Given that, mass of octane= 92.52 g , molar mass = 114 g mol-1  mass of oxygen= 217.1 g , molar mass...

Q: Manganese commonly occurs in nature as a mineral. The extraction of manganese from the carbonite min...

A:  

Q: 2. Usé thè linear regression équation ànd the fóllowing Abs 595 dată and dilution factors för calcul...

A:

Q: I. Find the amount of all the elements (in grams) in a. 8.75 g of B,O, b. 167.2 g of Na B,O,*10H̟O. ...

A: a)        8.75 g of B2O3                     Molar mass of B2O3 = 11×2+16×3 g = 70g                 ...

Q: + CH;CH,COH + CO2 2. H30* 1. BH, THF 2. H202 OH CHO CH CH-CECH UESTION 13 Which of the following sta...

A:

Q: If 1.07 g of CUx{SO4)y z H2O(s) is heated to form 0.80 g of the dehydrated Cux(SO4)y(s), determine t...

A:

Q: volume

A:

Q: Draw the (pericyclic) reaction (reaction 1), including all mechanistic steps, that lead from the sta...

A: To draw the mechanistic steps of reaction 1, show all isomers that can be formed and determine the c...

Q: he oxidation state of

A:

Q: A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gas...

A: The given set of questions are answered as follows,  Given:  Energy is released out from the gaseous...

Q: 1. Compute for the concentration of the components of a sweet and sour solution containing 15 g suga...

A:

Q: What is the age in years of mummified primate skin that contains 6.25% of the original quantity of c...

A: We have to predict the age in years.

Q: Comment on the strengths and limitations of particle sizing using sieve analysis. Suggest an alterna...

A: Sieving is a technique for particle sizing which is performed to separate a sample based on its part...

Q: Matter is defined as ....... إجابتك Felite is إجابتك

A: 2. The term matter refers to anything that occupies space and has mass—in other words, the “stuff” t...

Q: Preparation of HCI solution a. Measure 20.7 ml of concentrated Hcl (37% wt HCI) using the pipet and ...

A:

Q: Question 1. Creep. Using this LMP figure for S590 (Fe-21Cr-20Ni-20Co-4W-4Mo-4Nb-1.25Mn-0.4Si- 0.43C)...

A: Answer- Data given- Pressure = 200 Mpa T = 8000C = 273 + 800 = 1073K To find-rupture time ?

Q: Figure 1. Square and rhombic unit cells in 2D layers. Use the visualization tool, and the discussion...

A: Introduction :  Lattice structure can be defined as the basic repeating 3D block representation of t...

Q: Central Chirality Cahn-Ingold-Prelog Rules: Assignment of Absolute Configuration penicillin 1. Locat...

A:

Q: Silver chromate is sparingly soluble in aqueous solutions. The Kp of Ag, Cro, is 1.12 x 10-12, What ...

A: We have to predict the solubility in different solution.  

Q: sulfuric acid reacts with potassium hydroxide   Molecular:   Full ionic:   Net ionic:          ...

A: Describe the reaction that occurs between sulfuric acid reacts with potassium hydroxide.  

Q: Choosing from the elements in the third row of the Periodic Table write out the chemical formula of ...

A:

Q: 11-1 Review For a particle in a one-dimensional box, one finds that the use of the normalized wave f...

A:

Q: Propionic acid, HC3H5O2, has a Ką value of 1.3 x 105. A buffer solution is prepared by mixing 20.0 m...

A: Given:- Propionic acid, HC3H502, has a Ką value of 1.3 x 10-5. A buffer solution is prepared by mixi...

Q: thermometer A 56.6 g sample of polystyrene is put into a calorimeter (see sketch at right) that cont...

A:

Q: 2..Show that the mean radii for an electron in a 1 s atomic orbital of He+ and Li2+ are ¾ ao and ½ a...

A: In the above question, atomic radii of an electron on 1s atomic orbital of He+ and Li2+ have to dete...

Q: O THERMOCHEMISTRY Using specific heat capacity to find temperature change A chemical reaction takes ...

A:

Q: QUESTION 11 How would you carry out the following conversion? E-CH3 O (1) H20, H2S04/H9SO4; (2) H2, ...

A:

Q: A mixture of xenon and argon gas is expanded from a volume of 19.0L to a volume of 39.0L, while the ...

A:

Q: Give the oxidation numbers of all the elements of the following compounds. Show complete solutions. ...

A: Given:- Give the oxidation numbers of all the elements of the following compounds. Show complete sol...

Q: potassium carbonate reacts with nitric acid   Molecular:             Full ionic:   Net ionic:  ...

A: The detailed answer of the given question is solved on the white sheets of paper attached.  The Conc...

Q: Pls help ASAP. Pls show all work.

A: The Hess's law states that the enthalpy change in a chemical process is equal to the sum of the enth...

Q: o Propose a multistep synthesis to make each of the following products from the given starting mater...

A:

Q: Question 4 0.21 g sample of [Co(acac)3] was treated with concentrated HCI, then the Co ion was preci...

A: To calculate the percentage of cobalt in the sample, we have to find the amount of cobalt that was p...

Q: Kb

A:

Q: O THERMOCHEMISTRY Understanding the definition of enthalpy Measurements show that the energy of a mi...

A:

Q: 13. Determine the limiting reactant from the following reaction below if (a) 5 mol of each reactant ...

A:

Q: At 850 K, the equilibrium constant for the reaction 2 SO, (g) + 0,(g) = 2 SO, (g) is K. = 15. If the...

A:

Q: Write the equilibrium-constant expression for the reaction A(s) + 3 B(1) = 2 C(aq) + D(aq) in terms ...

A: Write equilibrium expression of the given above reaction ---

Q: QUESTION 12 Which of the following reactions are correct? There may be more than one correct answer ...

A:

Q: B C A CH3 CH3 CH3 CH3 H3C CH3

A:

Q: Which method of the following may be used to distinguish between the two [Co(NH3)s(NO2)]CI linkage i...

A: IR spectroscopy is used to identify the functional group in a molecule as different functional group...

Q: H3C CH2 + H20 4. Type Reaction: OH [0] 5. НаС Type of Reaction: CH3 CH3 CH3 HO 6. OH Type of Reactio...

A: Organic reactions are chemical reactions involving organic compounds. The basic organic chemistry re...

Q: Consider these compounds: A. Baco3 B. Baso4 E. Co(OH)2 D. MGF2 Complete the following statements by ...

A: Like dissolves like. Generally, solubility depends on the polarity of the molecule. Polar molecules ...

Q: Using SPECTROSCOPIC notation write the complete electron configuration for the iron atom. Using NOBL...

A: Given,  1). Using the spectroscopic notation write the complete electronic configuration for the iro...

Q: O CHEMICAL REACTIONS Theoretical yield of chemical reactions Liquid octane (CH;(CH,) CH,) reacts wit...

A: Balanced reaction is as :-  2C8H18(l) + 25 O2(g) ---> 16CO2(g) + 18H2O(g)

Q: Which of the following alkenes does not yield 3-bromo-3-methylpentane as the major product upon addi...

A:

Q: /hat mass of

A:

Group 14 Elements

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