Atoms And Molecules Exam Preparation- Mock Test
Atoms and Molecules Exam Prep Quiz
Prepare yourself for success in chemistry with our engaging Atoms and Molecules Exam Preparation Mock Test! This quiz is designed to help you review essential concepts in a fun and interactive way.
In this quiz, you will:
- Test your knowledge on atomic theory and molecular structures.
- Understand the details about atomicity, valency, and formulas.
- Challenge yourself with multiple-choice questions and true/false statements.
Formula unit mass is calculated for those substances whose constituent particles are __________________.
Which of the following is a molecule?
The simplest ratio of number of atoms of nitrogen to the number atoms of hydrogen in ammonia is,
3:2
1:3
3:1
1:2
Valency of sodium and carbonate ions present in Na2CO3 are __________and _______________respectively.
+1 , -2
-1, +2
+1 ,-1
None of the above
State true or false. Losing electrons from the second last shell leads to elements having variable valency.
True
False
State true or false. Common name for magnesium sulphate is quick lime.
True
False
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