Group 0 (Noble Gases)

12 questions

1. What does a period in the periodic table represent?
2. What do elements in the same group of the periodic table have in common?
3. Which of the following is an example of a chemical change?
4. In a chemical reaction, the substances that are present at the start are called ...
5. Which of the following is a property of gases?
6. Elements in the same group of the periodic table have the same number of ___ in their outer shell.
7. Noble gases are found in Group ___ of the periodic table.
8. Which of the following elements is a noble gas?
9. Why are noble gases unreactive?
10. The noble gas used in balloons because it is less dense than air is ...
11. Arrange the following noble gases in order of increasing boiling points, starting with the lowest boiling point.
12. Match the noble gas with its property or use:

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