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KS glossary vocab 2

Kansas Science State Assessment Terms set 2

ionic bond type of chemical bond involving the transfer of electrons and the formation of ions; can often form between a metal and a non-metal
ionic compound compound where two or more ions are held next to each other by electrical attraction
isotopes atoms having the same number of protons (atomic number) but having different numbers of neutrons
kinetic energy energy of a system based on its motion (KE = _mv2)
law of conservation of matter and energy matter and energy cannot be created or destroyed, it can only be rearranged or transferred; thus the amount of energy and matter is constant in the universe
liquid state of matter having a definite volume, but not a definite shape
longitudinal/compression waves waves that have vibrations along or parallel to their direction of travel
magnetic field region of space near a magnet, electric current, or moving charged particle in which a magnetic force is produced
mass number equal to the sum of the number of protons and neutrons in the nucleus of the atom
matter anything that has mass and takes up space
mechanical energy sum of the potential and kinetic energy present in a system
medium an intervening substance, as air or water, through which a wave moves and can be affected
metal any element that is usually shiny, a good conductor of heat and electricity, can be melted or fused, hammered into thin sheets or drawn into wires, and usually forms cations
metallic bond type of chemical bond between metal atoms formed by the valence electrons moving freely throughout the metal
molar mass mass of a formula, the sum of the component atomic masses expressed in grams per mole
mole amount of a substance, expressed in grams, that contains 6.022 _ 1023 (Avogadro's number) atoms, molecules, ions, or other elementary units
molecular compound two or more covalently bonded atoms (typically bonding between non-metals)
momentum quantity expressing the motion of a body or system equal to the product of its mass and velocity
negative charge particle having more electrons than protons
net force sum of all forces acting on an object
neutral charge particle having an equal number of electrons and protons
Newton's 1st law every object in a state of uniform motion/rest tends to remain in that state of motion/rest unless an external force is applied to it
Created by: 100000754871629