Multiple Choice
Dalton used the lightest element as his standard for atomic mass. What is this element?
4. Atoms and Elements
Atomic Theory
Struggling with Introduction to Chemistry?
Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Which of the following is NOT a component of Dalton's Atomic Theory?
A
A chemical reaction rearranges the grouping of atoms.
B
Atoms are composed of protons, neutrons, and electrons.
C
Atoms of a given element are chemical and physically identical.
D
Atoms of different elements combine in simple, whole number ratios to form compounds.
E
Matter is composed of atoms that are unable to divided any further.
Verified step by step guidance1
Understand Dalton's Atomic Theory: Dalton's Atomic Theory was proposed in the early 19th century and consists of several postulates about the nature of atoms.
Identify the key components of Dalton's Atomic Theory: These include the ideas that atoms are indivisible, atoms of a given element are identical, atoms of different elements can combine in simple whole-number ratios to form compounds, and chemical reactions involve the rearrangement of atoms.
Analyze the given statements: Compare each statement to the components of Dalton's Atomic Theory.
Recognize the historical context: Dalton's theory was developed before the discovery of subatomic particles, so it did not include protons, neutrons, and electrons.
Determine which statement is NOT part of Dalton's Atomic Theory: The statement 'Atoms are composed of protons, neutrons, and electrons' is not part of Dalton's original theory, as it was developed before the discovery of these subatomic particles.
Related Videos
Related Practice
