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# Unit 1: Basic concepts of Chemistry

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### Practice

- Laws of chemical combination.Get 3 of 4 questions to level up!

### Learn

- No videos or articles available in this lesson

### Practice

- Structure of an atomGet 4 of 5 questions to level up!
- Electron distribution in electron orbitsGet 5 of 6 questions to level up!
- ValencyGet 3 of 4 questions to level up!
- Atomic and mass numberGet 3 of 4 questions to level up!

### Practice

- Naming ionic compoundsGet 3 of 4 questions to level up!
- Find the formula for ionic compoundsGet 3 of 4 questions to level up!
- Predict the charge on monatomic ionsGet 3 of 4 questions to level up!
- Calculating molecular weightGet 3 of 4 questions to level up!

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