5 Questions
- What information does the molecular formula provide?
A. The simplest ratio of atoms in a molecule
- What would the student be able to derive from the data of heating zinc powder in an open crucible?
A. I and II only
- What is the molar mass of the gas according to the given experimental data?
$40.0\times8.31\times290/(98\times0.220)$
- What is the maximum number of electrons in energy level n = 4?
D. 50
- Which statement best explains the first ionization energy of sulfur being lower than that of phosphorus?
C. Sulfur has an unpaired electron in the outer p sub-level
This quiz is designed to help students practice for their Grade 11 Physics semester exam. It covers topics such as molecular formulas, mass calculations, and chemical reactions. The questions are worth a total of 89 marks, and it is a valuable resource for exam preparation.
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