How many protons does the atom have

Reference no: EM13986089

1. The mass number for a particular atom with 45 neutrons is 80. How many protons does the atom have?

40
80
35
45

2. A nuclear bomb explosion results in a mass decrease of about between the initial and the final components. How much energy is released? Let the speed of light c = 3.00 x10⁸m/s.

6.30 Af- 105 J
1.89 Af- 1017 J
2.25 Af- 1012 J
1.89 Af- 1014 J

3. A radioactive nuclide of atomic number Z emits an alpha particle, and then the daughter nucleus emits a beta particle. What is the atomic number of the resulting nuclide after both processes?
Z-2
Z+1
Z-3
Z-1

4. In a nuclear reaction, the total rest mass of the products is 0.003892 u greater than the total rest mass of the reactants. Is the reaction exoergic or endoergic, and what is the reaction energy Q? Let 931.5 MeV = 1 u.

endoergic; Q = -3.625 MeV
endoergic; Q = -7.823 MeV
exoergic; Q = 3.625 MeV
exoergic; Q = 7.823 MeV

Reference no: EM13986089

Questions Cloud

Poisson approximation to the binomial distribution : Find the probability that in a sample of 10 tools chosen at random exactly 2 will be defective by using (a) the binomial distribution and (b) the Poisson approximation to the binomial distribution.

Define what happens in the down syndrome conditions : Define what happens in the following conditions once development deviates- Down Syndrome, Fragile X Syndrome and Sickle-cell Anemia

Discuss the major types of financial intermediaries : Name and discuss the major types of financial intermediaries in the U.S. and illustrate the differences in the way assets and liabilities are recorded on their balance sheets. Describe the major differences between depository and non depository inter..

How many different ways can those numbers be selected : In South Carolina Palmetto Cash 5 lottery game, winning the jackpot requires that you select the correct 5 numbers between 1 and 38. How many different ways can those 5 numbers be selected?

How many protons does the atom have : A nuclear bomb explosion results in a mass decrease of about between the initial and the final components. How much energy is released? Let the speed of light c = 3.00 x108 m/s.

Discuss impact of expansionary fiscal and monetary policy : Explain the ways in which Fiscal Policy and Monetary Policy interact by using Keynesian IS and LM curves. Discuss the impact of an expansionary Fiscal Policy and Monetary Policy on the overall level of economic activity. Include the conditions in whi..

Impact of the revised estimates for finalized product design : What is the impact of the revised estimates for Finalized Product Design and Install Production Equipment on the project schedule and cost - Would you recommend authorizing the expenditure of $50,000?

Where is the vertical velocity the greatest : Where is the vertical velocity the greatest? Where is the greatest horizontal velocity? Where is the vertical velocity least? What is the name of the curve called that the ball travels?

Determine the maximum hight of the ball during its flight : Determine the maximum hight of the ball during its flight. Will the ball hit the fence? if so, how far below the top of the fence will it hit? If not, how far above the top of the fence will it pass?

User Account

All Pages