Two Atoms with the Same Number of Protons and Electrons

question 20

Multiple Choice

Two atoms with the same number of protons and electrons, but different numbers of neutrons, are called

• A) isotopes.
• B) ions.
• C) electrolytes.
• D) compounds.
• E) Both ions and electrolytes are correct names.

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Definitions:

Null Hypothesis

A hypothesis in statistical analysis that suggests no significant difference or effect; it's the default position that there is no association between two measured phenomena.

Mean Square

A statistical measure used particularly in ANOVA, calculated by dividing the sum of squares by its degrees of freedom.

Error

The discrepancy between the actual measurement and its real value.

Mean Square

A statistical measure of the average of squared differences from the mean, used in various analyses like variance and ANOVA.