Zircon Is a Mineral with the Empirical Formula ZrSiO₄

question 181

Multiple Choice

Zircon is a mineral with the empirical formula ZrSiO₄. If all the zirconium is ⁹⁰Zr, all the silicon is ²⁸Si, and all the oxygen is ¹⁶O, what mass of oxygen is present in 10. g of zircon

• A) 0.88 g
• B) 1.2 g
• C) 1.8 g
• D) 3.5 g
• E) 5.4 g

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Definitions:

Standard Error

A statistical measure that quantifies the variability or dispersion of a sample statistic from the population parameter it estimates.

Adjusted R Square

A statistical measure that indicates the proportion of variance in the dependent variable that is predictable from the independent variables, adjusted for the number of predictors in the model.

Parsimony Principle

The Parsimony Principle, often used in scientific research, is the idea that the simplest explanation is usually correct, encouraging minimal assumptions.

Independent Variables

Variables in a statistical model that are manipulated or categorised to determine their effect on dependent variables.