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Define Atom an atom is the smallest particle of an element that retains its identity in a chemical reaction. all matter is composed of atoms.
Name the first 2 Parts to Dalton's Atomic Theory 1. All elements are composed of tiny indivisible particles called atoms. 2. atoms of the same element are identical. the atoms of any one element are different from those of any other element.
Define proton positively charged subatomic particle
Define electron negatively charged subatomic particle
Define neutron neutrally charged subatomic particle
define atomic number
define atomic mass
what are isotopes
define periodic table
what is a period
what is a group
Name the third Part to Dalton's Atomic Theory 3. atoms of different elements can physically mix together or can chemically combine in simple whole- number ratios to form compounds.
name the last part to daltons atomic theory
Created by: tmacphee114647