Across
- 3. Elements in group 1 react vigorously with water to produce an alkaline solution and what other substance?
- 6. Elements are arranged in terms of their
- 10. Elements in group 1 react with oxygen to create an ...
- 11. A more reactive element in group 7 will displace a less reactive one in a solution of its aqueous salt. True or false?
- 12. Sodium reacts with oxygen to produce what flame colour?
- 13. Elements in group 7 are also known as the ...
- 15. Elements in group 0 are unreactive as they have a ... outer shell
Down
- 1. Elements in group 1 react with chlorine to produce what colour precipitate?
- 2. Group 0 elements are also known as the ...
- 4. The boiling points of elements in group 0 ... down the group
- 5. Elements that don't form positive ions when they react
- 7. The reactivity of group 7 elements increases going ... the group
- 8. The reactivity of the elements in group 1 increase going ... the group
- 9. Elements that react to form positive ions
- 11. The innermost shell of an atom can hold how many electrons?
- 12. Elements in group 1 have how many electrons in their outer shell?
- 14. Elements in the same ... have the same number of electrons in their outer shell and similar chemical properties