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science

TermDefinition
What is an ion? An atom which loses or gains electrons
What happens during ionic bonding? The electrons are transferred
What is the formula of acceleration? acceleration= change in velocity/ time taken
What is the formula of distance traveled? distance traveled= average speed (times) time
What is the formula for momentum? momentum= mass (times) velocity
what is the formula for kinetic energy? kinetic energy= mass (times) 1/2 (times) speed2
What are the 3 components of an atom? 1) Protons 3) Neutrons 2) Electrons
What are atoms features? An atom is a tiny particle/molecule which contains protons, electrons and neutrons.
What are isotopes? Atoms with the same atomic number(same number of protons and electrons) but different mass numbers.(two atoms with the same number of protons but differnt number of neutrons.)
What is the formula of efficiency? Efficiency= useful energy transferred by the device/ total energy supplied to the device.
What is the formula of force? force= mass (times) acceleration
What is the difference between mas and weight? Mass is a measure of how much stuff is in an object(KG). Weight is a force acting on that stuff(N).
What is the formula of density? density= mass/ volume
What 3 things do only an animal cell have and not a plant cell 1) chloroplast 3) vacuole 2)cell wall
What is the formula of magnification? magnification= objective lens (time) eye piece lens
What is the formula of actual size? actual size= measured size/ magnification
What are Prokaryotic cells? these cells don't have any nucleus and this is a bacterial cell because they have a single- celled organism
What are Eukaryotic cells these cells have a nucleus and is found in plants and animal cells
Created by: Qaseema120403