Although All Parts (Postulates)of Dalton's Atomic Theory Are Important,which One

question 89

Multiple Choice

Although all parts (postulates) of Dalton's atomic theory are important,which one of the postulates is crucial to explain the observations summarized by the Law of Definite Proportions?

• A)Matter is composed of atoms.
• B)Atoms of the same element have the same properties.
• C)Atoms combine with other atoms in fixed, whole number ratios to form compounds.
• D)Atoms are very small.

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Definitions:

Artifacts

Something extraneous to what is being looked for; activity that causes interference on ECGs.

Interference

Confusion of desired signals caused by undesired signals, as in artifacts on an ECG.

Reliable

Consistently good in quality or performance, able to be trusted or depended upon.

Standardization

Process of bringing into conformity with a standard; pertaining to ECG, a mark made at the beginning of each lead to establish a standard of reference.