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Concept explainers
Interpretation:
Series of emissions occur from 23391Pa to 22589Ac have to be determined.
Concept Introduction:
Alpha particle (α) represents nucleus of helium atom. It contains two protons and two neutrons. Emission of this alpha particle is called alpha decay. Symbol of alpha particle is 42He.
General equation for alpha decay is as follows:
AZX→A−4Z−2Y+42He
Here,
A is the mass or nucleon number.
Z is the atomic number.
X is the symbol of the element.
Beta emission (β−) process represents conversion of neutron into 1 proton and 1 electron. This proton stays within nucleus and electron is emitted out of atom. This electron is called the beta particle (0−1e).
The generic equation of the beta decay is as follows:
AZX→AZ+1Y+0−1e
Here,
A is the mass or nucleon number.
Z is the atomic number.
X and Y is the symbol of the element.
Gamma rays (γ) are energy photons with more energy than X-rays. Loss of gamma ray causes no change in mass number as well as atomic number.
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Chapter 18 Solutions
EBK FOUNDATIONS OF COLLEGE CHEMISTRY
- 2. Propose a mechanism for this reaction. ہلی سے ملی N H (excess)arrow_forwardSteps and explanationn please.arrow_forwardProblem 5-48 Assign R or S configurations to the chirality centers in ascorbic acid (vitamin C). OH H OH HO CH2OH Ascorbic acid O H Problem 5-49 Assign R or S stereochemistry to the chirality centers in the following Newman projections: H Cl H CH3 H3C. OH H3C (a) H H H3C (b) CH3 H Problem 5-52 Draw the meso form of each of the following molecules, and indicate the plane of symmetry in each: OH OH (a) CH3CHCH2CH2CHCH3 CH3 H3C. -OH (c) H3C CH3 (b) Problem 5-66 Assign R or S configurations to the chiral centers in cephalexin, trade-named Keflex, the most widely prescribed antibiotic in the United States. H2N H IHH S Cephalexin N. CH3 CO₂Harrow_forward
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