2. Atoms & Elements

Atomic Theory

2. Atoms & Elements

Atomic Theory

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Atomic Theory Example 1

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04:26

History of Atomic Theory

Professor Dave Explains

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Atomic Theory of Matter

The History of Atomic Chemistry: Crash Course Chemistry #37

Lesson 6 - Atomic Theory Of Matter, Part 1 (Chemistry Tutor)

Dalton’s Atomic Theory | Don't Memorise

Development of Atomic Theory: An Introduction

Atomic theory | Matter | Physics | FuseSchool

FuseSchool - Global Education

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Multiple Choice

Which of the following is NOT a component of Dalton's Atomic Theory?

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Multiple Choice

Dalton used the lightest element as his standard for atomic mass. What is this element?

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Textbook Question

A 1.0-g sample of carbon dioxide (CO2) is fully decomposed into its elements, yielding 0.273 g of carbon and 0.727 g of oxygen. If a sample of a different compound decomposes into 0.429 g of carbon and 0.571 g of oxygen, what is its ratio of the mass of O to C? (c) According to Dalton's atomic theory, what is the empirical formula of the second compound?

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Textbook Question

A chemist finds that 30.82 g of nitrogen will react with 17.60, 35.20, 70.40, or 88.00 g of oxygen to form four different compounds. (b) How do the numbers in part (a) support Dalton's atomic theory?

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Textbook Question

Which statements are consistent with Dalton's atomic theory as it was originally stated? Why? a. Sulfur and oxygen atoms have the same mass. b. All cobalt atoms are identical. c. Potassium and chlorine atoms combine in a 1:1 ratio to form potassium chloride. d. Lead atoms can be converted into gold.

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Textbook Question

Which statements are inconsistent with Dalton's atomic theory as it was originally stated? Why? a. All carbon atoms are identical. b. An oxygen atom combines with 1.5 hydrogen atoms to form a water molecule. c. Two oxygen atoms combine with a carbon atom to form a carbon dioxide molecule. d. The formation of a compound often involves the destruction of one or more atoms.

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Textbook Question

How does Dalton's atomic theory account for the law of mass conservation and the law of definite proportions?

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Open Question

Who described atoms as small spheres that could not be divided into anything smaller?

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Open Question

What experimental evidence led to the development of the current atomic model from the previous one?

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Open Question

Which of the following is not part of dalton's atomic theory?

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Open Question

Which chemical reactions are not possible according to dalton's atomic theory?

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Open Question

Which of the following is not part of dalton's atomic theory?

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Open Question

Determine which statements are consistent with dalton's atomic theory.

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Open Question

A chemical combination of matter in definite (fixed) proportions is a _____.

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Open Question

A substance made up of two or more elements that have been chemically combined is called -

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Open Question

What is the smallest particle of an element that still retains properties of that element?

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Open Question

The smallest unit of an element that maintains the properties of that element is a(n)

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Open Question

Which of the following most accurately represents John Dalton's model of the atom?

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Open Question

The chemical combination of two or more atoms of different elements produces a(n) _____.

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Open Question

Modern atomic theory states that atoms are neutral. How is this neutrality achieved in atoms?

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Open Question

A(n) ________________________ is a substance that is made from atoms of different elements.

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Open Question

What is the minimum number of atoms that a particle must contain in order to qualify as a molecule?

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Open Question

What is the smallest particle of an element that retains the properties of that element?

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Open Question

What is the smallest unit of an element that still maintains the properties of that element?

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Open Question

The smallest particle an element can be broken down into and still be the same element.

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Open Question

What is the smallest part of an element that still retains properties of that element?

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Open Question

The ____________________ is considered the basic unit of any element.

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Open Question

What is formed when two or more different kinds of atoms or elements join together chemically?

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Open Question

What can form as a result of a chemical reaction? compounds isotopes alpha particles beta particles

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Open Question

Based on what you learned about atoms, select all of the correct statements from the following list.

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Open Question

What is the smallest unit of an element that still maintains the properties of that element?

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Open Question

What is the smallest unit of an element that retains the properties of that element?

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2. Atoms & Elements

Atomic Theory

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