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Identify the true statement(s) of potassium's electronic configuration.
1. Potassium atom in the lowest-energy state has its last electron in the 4s orbital.
2. Potassium atom in the lowest-energy state has its last electron in the 3d orbital.
3. The electronic configuration of potassium is 1s22s22p63s23p63d1.
Intervention Phases
Different stages or segments in a research study or clinical trial where specific interventions or treatments are applied.
Intensive Single-Subject Designs
Research designs focusing on detailed examination and analysis of a single subject or case, often used in clinical or experimental settings.
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Research designs focusing on the responses of a single participant to document the effectiveness of a treatment or intervention.
Independent Variable
A variable manipulated by the researcher to observe its effect on the dependent variable in an experimental study.
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