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Physics 10th Class Notes
Trends in the Periodic Table The trends (atomic radius, ion radius, ionization energy and electronegativity) can be explained using the concepts of energy.
Ultrasonic - above 20,000 Hz ex. Ultrasound, bats, dog whistle Infrasonic - below 20 Hz ex. whales, some birds, rhinos Audible sound.
HSC Study Buddy - Module 1 - Space
