Chemistry Final Exam Review

The branch of Chemistry dealing with reactions taking place in the nucleus of an atom?

(a)  

Tags

NGSS.HS-PS1-8

What type of decay is represented in this reaction? ²³⁸₉₂U → ²³⁴₉₀Th + ⁴₂He

• Gamma Decay

• Alpha Decay

• Beta Decay

• Electron Capture

Tags

NGSS.HS-PS1-8

What does the 244 mean in Plutonium-244?

• The mass number

• The atomic number

• The number of electrons

• The number of neutrons

Tags

NGSS.HS-PS1-8

Arrange the 3 types of radiation in order from lowest energy to greatest energy.

• gamma rays, beta particles, alpha particles

• beta particles, alpha particles, gamma rays

• gamma rays, alpha particles, beta particles

• alpha particles, beta particles, gamma rays

The 235 in ²³⁵₉₂U represents the ​ ______ , while the 92 represents the ​_____.​

• The 235 represents the mass number, while the 92 represents the atomic number.

• The 235 represents the atomic number, while the 92 represents the atomic mass.

• The 235 represents the number of protons, while the 92 represents the number of neutrons.

• The 235 represents the atomic mass, while the 92 represents the atomic number.

What is the missing product of this reaction? ²²⁶₈₈Rn → ²²²₈₂Rn + ______

• ⁴₂He

• ¹₀n

• ⁰₀γ

• _⁰-1e

Tags

NGSS.HS-PS1-8

Complete the nuclear reaction and identify the type of radiation/decay being represented.

__ → ⁰_-1e + ²¹¹₈₃Be

• ²¹²₈₄Po

  proton decay

• ²¹¹₈₂Pb

  beta decay

• ²¹⁵₈₅At

  alpha decay

• ²¹²₈₃Be

  neutron decay

Tags

NGSS.HS-PS1-8

Compare and contrast fission and fusion.

• Fission is the splitting of a heavy nucleus into two lighter nuclei, while fusion is the combining of two light nuclei to form a heavier nucleus.

• Fission and fusion are the same thing

• Fission is the combining of two light nuclei to form a heavier nucleus, while fusion is the splitting of a heavy nucleus into two lighter nuclei.

Tags

NGSS.HS-PS1-8

During nuclear fission of Plutonium the nucleus is bombarded by ______

• Gamma Rays

• Protons

• Neutrons

• Alpha Particles

Tags

NGSS.HS-PS1-8

The numbers that are added in front of chemical formulas in a chemical equation to balance the equation are called

(a)