Explain what is the total number of valence electrons

Assignment Help Chemistry
Reference no: EM13239794

What is the total number of valence electrons that must be shown in the Lewis structure for magnesium fluoride? B. How many dots would be shown in the Lewis symbol for phosporus. Use a number, not a word.

Reference no: EM13239794

Questions Cloud

Determine the direction of the force on a charge : A charge of 2.65mC is placed at each corner of a square 0.450m on a side, Determine the direction of the force on a charge
The first step in the citric acid cycle of food metabolism : The first step in the citric acid cycle of food metabolism is reaction of oxaloacetate with acetyl CoA to give citrate. Propose a mechanism, using acid or base catalysis as needed. Oxaloacetate + Acetyl CoA ----> Citrate
Explain ph in a solution dihydrogen phosphate ion : calculate [OH-] and pH in a solution in which dihydrogen phosphate ion, H2PO4- is 0.335M and hydrogen phosphate ion, HPO4^(2-) is a)0.335M b)0.100M
Find the electric field at the center of the arc : A charge Q = 23.0 ?C is distributed evenly on a wire bent into an arc of radius R = 47.0 cm, What is the electric field at the center of the arc that subtends ? = ±40.0°
Explain what is the total number of valence electrons : What is the total number of valence electrons that must be shown in the Lewis structure for magnesium fluoride B. How many dots would be shown in the Lewis symbol for phosporus. Use a number, not a word.
Explain what is the maximum energy the electron : A photon having E = 46.9 keV energy scatters from a free electron inside a metal. What is the maximum energy the electron can gain from the photon
Explain water and hydrogen gas is eveloved : 10 mg of magnesium metal and 30 ml of hydrochloric acid are added to 300 ml of water and hydrogen gas is eveloved. The reaction is as follows: Mg + 2HCl -> H2 + Mg2+ (aq) + 2Cl- (aq). Calculate the limiting reactant.
Examine the pricing structure and modify it to maximize : Some businesses will examine their pricing structure and modify it in order to maximize revenue, either by raising or lowering the price. For some organizations, lowering prices might be an effective means for increasing revenue.
Find the electron gain or lose potential energy : An electron is accelerated by a uniform electric field (1000 V/m) pointing vertically upward. Use energy methods to get the magnitude and direction of its velocity

Reviews

Write a Review

Chemistry Questions & Answers

  State the liquid is allowed to stand in contact

The liquid is allowed to stand in contact with the solid until equilibrium is achieved and then the liquid is poured off. What is the mass of solid remaining?

  Explain and draw the possible chair forms of cis and trans

Draw the possible chair forms of cis and trans 1-isopropyl-3-methylcyclohexane. Are the two forms identical, enantiomeric, or diastereomeric?

  What volume of carbon dioxide is produced

Propane (C3H8) burns in oxygen to produce carbon dioxide and water vapor. The balanced equation for this reaction is C3H8 + 5 O2 ® 4 H2O + 3 CO2. What volume of carbon dioxide is produced when 2.8 L of oxygen are consumed?

  What is the solubility product constant

At a certain temperature, a volume of 100 mL of saturated barium carbonate solution contains 0.00216 g of BaCO3 (MW=197.3 g/mol).

  Compute the percent ionization of nitrous acid

Calculate the percent ionization of nitrous acid in a solution that is 0.230 M in nitrous acid (HNO2) and 0.270 M in potassium nitrite (KNO2).

  Explain what is the molarity of ca(oh)2 in the solution

20 ml Calcium Hydroxide solution was titrated with 9.8 ml 0.0105 M HCl in according to reaction: Ca(OH)2 + 2HCl ? CaCl2 + 2H2O What is the Molarity of Ca(OH)2 in the solution

  Define molecular beacons are nucleic acid strands

Molecular beacons are nucleic acid strands that form hairpin loops. The stem region hybridizes to close the loop and the binding energy is ΔG = -22kJ/mole at 37°C.

  State the products of the fusion are carbon

Consider the fusion of boron 10 with an alpha particle. The products of the fusion are carbon and a proton. a) Write a nuclear reaction for this process.

  Compute the e cell

calculate the E cell when [Zn^+2] = 0.10M and [Cu^+2] = 2.0 x10^-4M. Is the reaction Spontaneous or Non- spontaneous?

  What volume of oxygen gas is produced

What volume of oxygen gas at 25 degrees Celcius and 1.00 atm is produced from the decomposition of 22.33 mL of a 30.0% (by mass) solution of hydrogen peroxide?

  What is the molarity of the acid

A 55 mL sample of 0.15M Ca(OH)2 is neutralized by 47.2 mL of HBR. What is the molarity of the acid?

  Explain hepes are synthetic amine compounds

HEPES are synthetic amine compounds that are often used to make buffers for biochemical studies. What is the pH of a 1.0 L buffer solution that is 0.250M HEPES

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd