Group 0 (Noble Gases)
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Waxaan qeexi karaa astaamaha gaasaska gobta, isticmaalkooda, iyo sharaxaadda sababta ay u yihiin kuwa aan falgalin.
Introduction
In this lesson: I can describe the properties of the noble gases, their uses, and explain why they are unreactive. Noble gases are in Group 0 of the periodic table and are unreactive. Noble gases are all gases at room temperature.
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Quizzes
1. What does a period in the periodic table represent?
- Elements with the same number of outer shell electrons.
- Elements with the same atomic number.
- Correct answer:Elements with the same number of electron shells.
- Elements with similar chemical properties.
2. What do elements in the same group of the periodic table have in common?
- similar atomic number
- same number of electron shells
- same atomic mass
- Correct answer:similar chemical properties
3. Which of the following is an example of a chemical change?
- melting ice
- tearing paper
- dissolving sugar in water
- Correct answer:burning wood
- boiling water
4. Which of the following is a property of gases?
- fixed shape and fixed volume
- fixed shape and variable volume
- variable shape and fixed volume
- Correct answer:variable shape and variable volume
1. Which of the following elements is a noble gas?
- hydrogen
- oxygen
- Correct answer:helium
- nitrogen
- chlorine
2. Why are noble gases unreactive?
- They are non-metals.
- Correct answer:They have complete outer electron shells.
- They have low atomic masses.
- They are gases at room temperature.
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- IntroductionPrepare
- Starter quizActivate · 4 questions
- Lesson videoLearn
- Exit quizCheck · 2 questions