Examlex
Which of the following about the isotopes of a particular element is not true?
Euphoria
A state of intense happiness and self-confidence.
Phenomena
Observable events or occurrences that can be investigated scientifically or otherwise understood through empirical observation.
Theory
A system of ideas intended to explain something, based on general principles independent of the thing to be explained.
Hypothesis
A proposed explanation for a phenomenon, made as a starting point for further investigation, that can be tested through experimentation and observation.
Q2: Of the following,the only empirical formula is<br>A)C<sub>4</sub>H<sub>10</sub>.<br>B)C<sub>4</sub>H<sub>8</sub>.<br>C)C<sub>5</sub>H<sub>14</sub>.<br>D)H<sub>2</sub>O<sub>2</sub>.<br>E)O<sub>3</sub>.
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