Chemistry 4.1
Presentation
•
Science
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10th - 12th Grade
•
Easy
Matthew Koch
Used 1+ times
FREE Resource
25 Slides • 6 Questions
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Open Ended
How was Jon Dalton able to study atoms even though he couldn’t observe them directly? What evidence did he use to formulate his atomic theory?
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Open Ended
How was Democritus’s idea of the atom different from Dalton’s?
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Open Ended
If an atom has a radius of 1 ´ 10-10 m, how many of these atoms must be lined up in a row to produce a line 1 cm long?
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Fill in the Blanks
the smallest particle of an element that retains its identity in a chemical reaction
Type answer...
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Multiple Choice
Who was among the first to suggest the existence of atoms?
Democritus
Einstein
Dalton
Aristotle
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Multiple Select
Select the 4 parts of Dalton's Atomic Theory
All elements are composed of tiny indivisible particles called atoms
Atoms of the same element are identical. The atoms of any one element are different from those of any other element
Atoms of different elements can physically mix together or can chemically combine in simple whole-number ratios to form compounds
Chemical reactions occur when atoms are separated from each other, joined, or rearranged in different combinations. Atoms of one element are never changed into atoms of another element as a result of a chemical reaction
Atoms of different elements cannot physically mix together or chemically combine in simple whole-number ratios to form compounds
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