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outcome 2
Question | Answer |
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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 |