Examlex
When a lithium atom is made from a helium atom by adding a proton (and neutron) to the nucleus and an electron outside, the electron goes into an n = 2, state rather than an n = 1,
state. This is an indication that electrons:
Quantitative Research
Research that translates the social world into numbers that can be treated mathematically; this type of research often tries to find cause-and-effect relationships.
Qualitative Research
A research strategy focusing on understanding the nature of human behavior and the reasons that govern such behavior, utilizing methods like interviews and observations that provide depth and context.
Experimental Research
A systematic and scientific approach to research in which the researcher manipulates one or more variables, and controls and measures any change in other variables.
Difficulties
Challenges or obstacles that make it hard to achieve a goal or complete a task.
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