General Chemistry
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Write the complete nuclear equation for the positron emission reaction of Mg-22.
Provide the balanced nuclear equation for the electron capture process of iodine-120.
Give the balanced nuclear equation for the electron capture process of silver-102.
Complete the nuclear equation shown below.
1942K+ –10e→_{\text{19}}^{\text{42}}K+\text{ }_{\text{–1}}^{\text{0}}e\to1942K+ –10e→
Consider the isotope 201Hg. Provide the balanced nuclear equation when it undergoes positron emission.
The nuclide 253Fm undergoes radioactive decay in which the stable nuclide 253Es is formed. There are two possible nuclear decay pathways for this process. Provide the balanced nuclear equation for the two processes.
The isotope 252Es can have three modes of decay - electron capture, α decay, and β decay. Provide the balanced nuclear equation for each mode of decay of 252Es.
Based on the given nuclide, identify the missing particle from the nuclear reaction below:
158O → 157N + ______
Arrange the following from heaviest to lightest. Use the "=" sign if there is an overlap.
A. α-particlesB. γ-raysC. β-particlesD. NeutronsE. Positron
Classify the following statements about positron emission and electron capture as true or false:
1. Positron emission increases the atomic number by one while electron capture decreases the atomic number by one.
2. The result of both types of decay is the same: Atomic number is reduced by one.
3. The mass number of the nuclide undergoing positron emission or electron capture does not change.
Three of the steps in the radioactive decay chain for 24494Pu are shown in the following diagram. Below the symbol of each isotope are their half-lives. Identify the next isotope in the chain if the next step in the decay chain is an alpha emission.
Complete the reaction: 6731Ga + 0–1e → X
Identify the nuclide that produces chromium-53 when it undergoes electron capture.
What is the balanced nuclear equation when the isotope selenium-72 decays by electron capture?
Provide the nuclear equation if Ga-67 decays by electron capture.
Provide the nuclear equation if Co-57 decays by electron capture.
Manganese is a transition metal belonging to the fourth period of the periodic table. Manganese has 25 known radioisotopes, one of them being manganese-53. Manganese-53 has a half-life of 3.7×106 years and undergoes radioactive decay through electron capture. Write the symbol of the nuclide produced when manganese-53 undergoes electron capture.
When a nuclide undergoes positron emission and electron capture, the daughter nuclide will have an atomic number of 1 more than the parent nuclide. Is this statement True or False?
Is the following statement true or false? The symbol for a positron is β–.
Determine the nucleus that will produce manganese-53 when it undergoes positron emission.
What is the balanced nuclear equation for the positron emission of bromine-75?