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AGHS- Atomic Theory
By Marsha Creamer
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Last updated over 5 years ago
3 questions
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Question 1
1.
Which of Dalton's five principles still apply to the structure of an atom?
All matter is composed of extremely small particles called atoms, which cannot be subdivided, created, or destroyed.
Question 2
2.
What law is described by the fact that carbon dioxide consists of 27.3% carbon and 72.7% oxygen by mass?
law of definite proportions
law of conservation of mass
law of multiple proportions
Question 3
3.
What law is described by the fact that the ratio of the mass of oxygen in carbon dioxide to the mass of oxygen in carbon monoxide is 2:1?
law of definite proprtions
law of conservation of mass
law of multiple proportions
Atoms of a given element are identical in their physical and chemical properties.
Atoms of different elements differ in their physical and chemical properties.
Atoms of different elements combine in simple whole-number ratios to form compounds.
In chemical reactions, atoms are combined, separated, or rearranged but never created, destroyed, or changed.