Some patterns of electron configuration are listed below. In each case, [G] stands for a noble-gas core and n, m, or o stand for integer numbers like 1, 2, 3 and so on. Note: assume G is lighter than Rn. Think about the chemical elements made of atoms with an electron configuration that matches each pattern. In what block or blocks of the Periodic Table would these elements lie? Would they be metals, nonmetals, metalloids, some of each? Use your answers to these questions to complete the table. electron configuration of atoms 2 [G]ns'np² [G]ns np³ [G]ns²mf blocks S location of elements (check all that apply) Р d f S Р ndf sp ndf metals or nonmetals? X metals nonmetals metalloids metals nonmetals metalloids metals nonmetals metalloids Ś

Q: 57 A radioactive element X decreases from 360 mg to 90 mg in 1800 seconds. What is the half life of…

A: Answer:- The radioactive decay follows the first order kinetics. So, using the integrated rate law ,…

Q: a O b of the two structures would be more acidic? =H (a) (b) H

A:

Q: Which of the following is an example of a homogeneous equilibrium reaction?

A: Given : equilibrium reaction Tip : all species must be in same state

Q: Rank the bold-faced hydrogens for the following compounds from most acidic to least acidic. H H…

A: A-H   =   A-  +  H+ Greater the stability of A- (Conjugate base) higher will be the acidic nature of…

Q: 29. The molar volume of a certain solid is 161.0 cm³/mol at 1.00 atm and 350.75 K, its melting…

A: Given that,  The initial pressure is P1 = 1.00 atm, The initial temperature is T1 = 350.75 K. The…

Q: Which of the following molecules is not an amino acid?

A: Amino acids are organic compounds that contain both amino and carboxylic acid functional groups.

Q: a weak species is titrated with a strong acid or base. was the species a weak acid or a weak base…

A: This question is based on titration curve.

Q: b) Write out 3 preparations of 2-methyl-2-butanol, using a different starting material for each one.…

A:

Q: 6 Draw the structure of (S) 5-prope 2. Give the IUPAC name of this compound: HOCH₂C=CCH₂COH Dra

A: According to IUPAC nomenclature first we have to select the longest chain of carbon atom and this is…

Q: which aqueous solution all at 25 oC will have the lowest osmotic pressure?

A: Temperature = 25°C = 298 K Gas constant = 8.314 J/mol.K Osmotic Pressure = ?

Q: Q8. Fill in the boxes with the missing reagents lote: the "I" in the middle top compound is iodine.…

A: Alkanes are less reactive in nature therefore they mainly gives substitution reaction. Alkyl halide…

Q: Given the two reactions 3. PbCl₂ (s) 4. AgCl(s) Pb²+ (aq) + 2Cl(aq), K3 = 1.85x10-10, and Ag+ (aq) +…

A: Characteristics of equilibrium constant are : - If the equation (having equilibrium constant K) is…

Q: what is the oxidation number of chromium in sodium dichromate Na2Cr2O7

A: The oxidation number of chromium in sodium dichromate Na2Cr2O7 is

Q: On placing an inverted tumbler over a burning candle, why does the flame extinguish after some time?

A: Oxygen supports the chemical processes that occur during fire. When fuel burns, it reacts with…

Q: Gaseous ethane (CH3 CH3) will react with gaseous oxygen (O₂) to produce gaseous carbon dioxide (CO₂)…

A:

Q: How many secondary carbons atoms does the compound below have, if any?

A: The classification of carbon atoms is done on the basis of the number of carbon atoms attached to…

Q: Predict the heterocyclic product E from the reaction below and give a curly arrow mechanism. Ph. O…

A: Step by step mechanism of each reaction,

Q: How many milliliters of 0.150 M NaOH are required to neutralize 14.0 mL of 0.200 M H2SO4?  H2SO4(aq)…

A:

Q: 2 Predict the major product of the following reactions: OH LOH ОН 4 SH H,SO K2Cr2O7 K,Cr2O7 一

A:

Q: Identify whether the following compounds are likely to be ionic, covalent, or metallic. a. Compound…

A:

Q: 25. The mass of one molecule of a molecular compound with a molar mass of 176.3 g/mol is A) 2.928 ×…

A: 25) Given, molar mass of the compound = 176.3 g/mol mass of 1 molecule of a compound = ? Note: 1 mol…

Q: Hydration of 1,3-dimethylcyclopentene gives what major and what minor

A:

Q: Reaction of 1-butanol with CrO3 gives. O Butanoic acid Propanoic acid O2-Butanone O Butanal as the…

A: CrO3 is an oxidizing reagent. It means it oxidizes other and reduces itself.

Q: The reaction for the decomposition of PCl5 to chlorine and PCl3 is shown below.…

A: Since,Equilibrium constant or Kc is the ratio of the equilibrium concentrations of product over…

Q: Which is the best choice for preparing a buffer with a pH of 3.5? O C6H4(COOH)2 (Ka = 2.9 × 10-4)…

A:

Q: Balance the chemical equation by listing the appropriate coefficients for each molecule. Use a “1”…

A:

Q: Express in moles: 3.01×1025  molecules of PH3

A:

Q: How many sp2 carbons are present in the structure shown below? HO 3 O 5 07 04 NH₂

A:

Q: 120 1. How many electrons, protons, and neutrons are in ['50 Sn]* ₂ A) 54 electrons, 50 protons, and…

A:

Q: NaCN (K₂ of HCN = 4.9 × 10-¹0) NaHCO3 (K¹ of HCO3 = 2.3 × 10¯8) NH3 (Kb of NH3=1.8 x 10-5) NaClO₂…

A:

Q: Which is the most stable radical? O O O a AA 45

A: Carbon having single electron is called as free radical

Q: dissolved in the same water sample to create a solution. The water is then allowed to evaporate over…

A: The two salts NaNO3 and K2SO4 are ionic compounds and completely undergo dissociation into ions when…

Q: term symbol for given electron configuration: 2s12p3 2s22p13s1 2s22p13p1

A: The formula used to calculate the term symbol for the given electronic configuration is given below-…

Q: Give the starting materials. NaNH2

A: The terminal alkyne contains acidic hydrogen. The hydrogen atom attached to the sp hybridized carbon…

Q: The radioisotope strontium-90 has a half-life of 38.1 years. If a sample contains 40 mg of Sr- 90,…

A:

Q: How many degree of i saturation are present in a structure with molecular formula c11h8clbro

A: Degree of unsaturation / saturation of molecule given as = n(v-2)/2 +1 n= number of one kind atom…

Q: 7. A catalyst increases the rate of a reaction because a) provides another reaction pathway with…

A: We have to answer the following question

Q: Enzymes only have primary and secondary structures. True false

A: Biological polymers that catalyze biochemical reactions are what are known as enzymes. Most enzymes…

Q: Concentration (grams/kg H₂O) 1000 23. 900 800 700 600 500 400 300 200 100 0 Solubility Curve for…

A: We have to answer the following questions from the given temperature dependent solubility curve.

Q: Viktor measures out 2.100 g of the ibuprofen from the bottle and dissolves it in 15.0 mL of ethanol.…

A: Given: Mass of ibuprofen = 2.100 g Volume of ethanol = 15.0 mL Length of tube = 1.0 dm Optical…

Q: Write the equilibrium constant expression for the following reaction.…

A: At equilibrium, the rate of the forward and the reverse reaction is the same and the concentration…

Q: Calculate the molarity for a solution containing 25.6 grams of LiF dissolved in 0.500L of water.

A: Defination of molarity :  Molarity is the moles of solute present  per litre solution i.e. moles of…

Q: 1.a) A scientist shines lights at a metal, but does not detect the release of any electrons. In…

A: Given reaction is nucleophilic substitution reaction , it is gone through Sn1 reaction

Q: How many signals would you expect in the ¹H NMR spectrum of this compound? Br Br

A: Numbers of signals is equal to chemically non- equivalent proton.

Q: Molarity is used to measure concentration in chemistry. What are the two units used that make up…

A: -> Molarity is number of moles present in one Litere of solution.                          (or)…

Q: What is the likely product of the reaction shown? OH OH 1. excess LiAIH4 2. H2O OH OH OH OH OH Ш OH

A: Lithium Aluminum Hydride (LAH): LiAlH4 is a powerful and  nonselective hydride-transfer reagent. It…

Q: Consider the ZERO-ORDER reaction: A —> product. (a) Write the rate law for the reaction. (b) What…

A:

Q: Mass transfer of a substance A a) is independent of

A: Mass transfer is the net transfer of mass from one place to another.

Q: 13 Al+Hen+ 4X A = 239 Pu +4X→242 Cm + 1 n 94 96 A = ,Z = 235 U → X+135 Cs + 4 n 92 A = 2 Z= Z= ,X =…

A: Given are nuclear reactions.  A is mass number , Mass number is sum of neutrons and protons of the…

Q: FART IL SHOKE ANSWERS QUESTIO No he flowing decades 1813) (9 1) CL-CH-CH-CH-CH-CH-CH CH 2)…

A: IUPAC - international  union of pure and applied chemistry.