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PHYSICAL SCIENCE EXAM QUESTIONS WITH COMPLETE SOLUTIONS VERIFIED GRADED A+
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PHYSICAL SCIENCE EXAM QUESTIONS WITH COMPLETE SOLUTIONS VERIFIED GRADED A+ Use the periodic table and what you know about mass numbers to complete each statement. U-238 has protons and146 neutrons. A particular isotope of plutonium has 94 protons, neutrons, and a mass number of 241. Thorium- has 9...

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  • May 10, 2024
  • 13
  • 2023/2024
  • Exam (elaborations)
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  • physical science exam questions with complete sol

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PHYSICAL SCIENCE EXAM QUESTIONS WITH COMPLETE

SOLUTIONS VERIFIED GRADED A+

Use the periodic table and what you know about mass numbers to complete each

statement. U-238 has protons and146 neutrons. A particular isotope of plutonium

has 94 protons, neutrons, and a mass number of 241. Thorium- has 90 protons

and 137 neutrons.

#1) 92

#2) 147

#3) 227

Determine which decay process is being described in each case. the atomic

number deceases by one, and the atomic mass is unchanged. the atomic number

decreases by two, and the atomic mass decreases by four. the atomic number

increases by one, and the atomic mass remains unchanged.

1

✔ beta-plus decay

2

✔ alpha decay

3

✔ beta-minus decay

, Use the periodic table to complete this equation that represents nuclear fission

processes.

23592U + 10n → 13956Ba + ABC + 3 10n

A: 94

B: Kr

C: Kr

Use the periodic table to complete each nuclear fusion equation.

21H + 31H → ABHe 147N + 11H → CDE

A: 5

B: 2

C: 15

D: 8

E: O

Choose the option from the drop-down menus that is best described by each

statement.

Involves combining of nuclei: ✔ nuclear fusion




Produces dangerous radioactive waste: ✔ nuclear fission




Have high activation energies: ✔ nuclear fusion

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