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Chem Study Stack

QuestionAnswer
Atom smallest particle in which an element can be divided and still have the properties of that element
element substance that cannot be broken down into simpler substances
nucleus biology structure near the center of a cell that contains the cell's DNA
Electron Shell in the electron cloud model of an atom, in the region around the nucleus where an electron may be found
proton positively charged particle in the nucleus of an atom
neutron electrically neutral particle that has the same mass as a proton and is found in the atom's nucleus
electron negatively charged particle that exists in an electron cloud formation around the atom's nucleus
atomic number number of protons in the nucleus of an atom of a given element
atomic mass average mass of one atom of an element
valence electrons electrons in the outer most energy level of an atom; in large part, they determine an element's chemical properties
beaker holds liquids for ballpark estimates
apron protects clothes
Density Mass x Volume
safety goggles protects your eyes
petri dish growing and viewing microorganisms
balanced force when two opposing forces are equal (no movement)
unbalanced force when two opposing forces are not equal (there is movement)
Newton's 1st law of motion 1: when object at rest stays at rest unless acted upon by an unbalanced force.an object in motion stays in motion unless acted upon an unbalanced force
Speed Distance/Time
Created by: t0303230