lecture recording on 16 January 2025 at 13.01.42 PM
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10 Terms
Recording in class
The act of capturing audio or video of a lecture or lesson during the teaching process.
Click done record
The action taken to stop the recording after completing the lesson.
Atom
The basic unit of a chemical element, consisting of a nucleus surrounded by electrons.
Nucleus
The dense central core of an atom, containing protons and neutrons.
Proton
A positively charged subatomic particle found in the nucleus of an atom.
Neutron
A subatomic particle found in the nucleus of an atom that has no charge.
Electron
A negatively charged subatomic particle that orbits the nucleus of an atom.
Atomic number
The number of protons in the nucleus of an atom, which determines the chemical element.
Isotope
Atoms of the same element with the same number of protons but different numbers of neutrons.
Ion
An atom or molecule that has a net electric charge due to the loss or gain of one or more electrons.