At 25°C CO₂ Is a Gas and SiO₂ Is a High-Melting

question 42

Multiple Choice

At 25°C CO₂ is a gas and SiO₂ is a high-melting solid.In these compounds of oxygen

• A)both carbon in CO₂ and silicon in SiO₂ are π-bonded to two oxygen atoms.
• B)both carbon in CO₂ and silicon in SiO₂ are σ-bonded to four oxygen atoms.
• C)carbon in CO₂ is π-bonded to two oxygen atoms and silicon in SiO₂ is σ-bonded to four oxygen atoms.
• D)silicon in SiO₂ is π-bonded to two oxygen atoms and carbon in CO₂ is σ-bonded to four oxygen atoms.

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Definitions:

Null Hypothesis

A statistical hypothesis that suggests there is no effect or no difference, and it serves as the default position that there is no association between two measured phenomena.

One-way ANOVA

A statistical method used to compare the means of three or more independent groups to determine if there is a statistically significant difference among them.

F-ratio

The F-ratio is a statistic used in analysis of variance (ANOVA) to compare the variability between groups to the variability within groups, assessing whether group means are significantly different.

F-ratio

A statistical measure used in the context of ANOVA to determine the ratio of variance between groups to the variance within groups.