Group 1 elements

• Chemistry
• Lower Secondary (Key Stage 3)

Group 1 elements

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1. What are Group 1 elements commonly known as?

2. Name the first three alkali metals.

3. What is a key property of alkali metals?

4. How do alkali metals react with water?

5. What is the general formula for the reaction between an alkali metal and water?

6. What happens when sodium (Na) reacts with water?

7. Why are alkali metals stored in oil?

8. What happens to the reactivity of alkali metals as you go down the group?

9. Which is more reactive, lithium or potassium?

10. What happens when potassium reacts with water?

11. What is the state of alkali metals at room temperature?

12. What is a common characteristic of alkali metals in terms of their density?

13. Why do alkali metals become softer as you go down the group?

14. What color does lithium produce when burned in a flame?

15. Why are alkali metals good conductors of electricity?