How many protons and how many neutrons

Assignment Help Chemistry
Reference no: EM13157968

Gallium, Ga, has two isotopes of atomic mass 68.926 u and 70.926 u. Write the full symbol for each isotope (give both A and Z for each isotope). How many protons, and how many neutrons are present in the nucleus of each isotope? What is the natural abundance of each isotope, if the average atomic mass of gallium is 69.72 u?

Reference no: EM13157968

Questions Cloud

Calculate the initial reaction rate : calculate the initial reaction rate when [O3] & [NO] remain essentially constant at the values [O3]0= 7.48 x 10-6 M & [NO]0= 3.26 x 10-5M, owing to continuous production from separate sources.
State antiviral properties from marine animals : While cytotoxicity, antiviral activity, and immunosuppressant properties of didemnin-C and of its 8 analogs were excellent to very good, these compounds were, unfortunately, dropped from further studies and development at the stage of human trials..
Effects of printing press on music and composers : What were the effects of the printing press on music and composers? If the Renaissance is thought to represent a rebirth or new birth, how is this reflected in the music of the Renaissance? What was the role of music during the Renaissance? How was i..
What is the order for system survey : What is the order for system survey, initial investigation, feasibility study, determination of information needs and system requirenments
How many protons and how many neutrons : Write the full symbol for each isotope (give both A and Z for each isotope). How many protons, and how many neutrons are present in the nucleus of each isotope?
Describe an example of a television program : Describe an example of a television program that you believe clearly displays social deviance, and explain why you specifically selected it. In this television program, how are people "labeled" as socially deviating from the expected social norms,..
State mixture of powdered magnesium and zinc : Metals such as magnesium and zinc react with dilute sulfuric acid to give hydrogen, according to the equation: M (s) + H2SO4 (aq) -------> MSO4 (aq) + H2 (g) When 5.00 g of a mixture of powdered magnesium and zinc were dissolved in diluted sulfuri..
Quotas and tariffs-graphing and analysis : Can the U.S. ever come out ahead from this quota?  Why or why not? Can the ROW ever come out ahead? Why or why not?
Metals such as magnesium and zinc react with dilute sulfuric : Metals such as magnesium and zinc react with dilute sulfuric acid to give hydrogen, according to the equation: M (s) + H2SO4 (aq) -------> MSO4 (aq)

Reviews

Write a Review

Chemistry Questions & Answers

  When making a plot with the claussius clapeyron equation

When making a plot with the Claussius Clapeyron equation, the enthalpy of vaporization can be calculated from the slope of the line of lnP vs 1/T.

  Average steady state concentration of radioactive radon gas

Radioactive radon gas (222Rn) enters an average building at a rate of 5 picocuries per second per square meter of foundation area. Consider a house with a foundation of 400 square meters and a volume of 1000 cubic meters.

  Determine the molarity of ethanol

An aqueous solution is six percent by mass methanol,, and has a density = 0.988 g/mL. Determine the molarity of ethanol in the solution.

  Define comparision of net present values

Either bulb will be used for 2,000 hours per year at an electricity cost of $0.14/kwh (kilowatt-hour). If the interest rate is 6%, which bulb is more cost effective over 8,000 hours of use based upon a comparision of Net Present Values?

  What mass of aspirin can be prepared

what mass of aspirin can be prepared by reacting 5.00 g if salicylic acid with an excess of acetic anhydride?

  How many moles of al3+ are in the new solution

When 25mL of a 120mL stock solution containing 2M AlCl3 is diluted to 80mL, how many moles of Al3+ are in the new solution.

  What would be the amount of heat released

calorimetry can be used to find heats of combustion. suppose a calorimeter helps someone to determine that 4032 kj of heat is released during the combustion of 88.0 grams of propane, C3H8 (44.0 g/mol).

  How many moles each of sodium ions in saline soln

A physiological saline solution contains 164 mEq/L each of Na+ and Cl-.How many moles each of Na+ and Cl- are in 0.500 L of the saline solution.

  Compute the fraction of atom sites that are vacant

Calculate the fraction of atom sites that are vacant for silver at 695°C. Assume an energy for vacancy formation

  Calculate the ph

Consider the titration of 100.0 ml of .100M H2NNH2 by .200 M HNO3. Calculate the pH when the following volumes of HNO3 have been added

  What is the pressure in the tank

A 50.0-L stainless steel container was charged with 3.00 atm of hydrogen gas and 4.00 atm of oxygen gas. A spark ignited the mixture, producing water.

  What is the new water level in the cylinder

A graduated cylinder contains 131 mL of water. A 18.0 g piece of iron (density = 7.86 rm{g/cm^3}) and a 25.0 g piece of lead are added.

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