In 1864, the English Chemist John Newlands Noticed That When

question 116

Multiple Choice

In 1864, the English chemist John Newlands noticed that when the elements were arranged in order of increasing atomic mass, every eighth element had similar properties. Newlands referred to this relationship as the

• A) law of periodicity.
• B) law of loopholes.
• C) law of octaves.
• D) law of orbitals.
• E) law of proportionality.

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Definitions:

Proposition

A statement that can either be true or false, used in logic to construct arguments or prove theories.

Connective

In logic and grammar, a word or expression that connects clauses or sentences, or the component that links elements within a proposition.

Compound Sentences

Sentences formed by connecting two or more independent clauses together, often with a coordinating conjunction or a semicolon.

Unexpressed Propositions

Propositions that are implied or understood within a larger argument or text but are not explicitly stated.