alkali and nonmetals

Edit Answers
123456789101112131415161718192021222324
Across
  1. 2. classified as a nonmetal, atomic number of 8
  2. 5. extremely radioactive with an atomic mass of 223 U
  3. 7. a nonmetal with a atomic number of 7
  4. 9. the second noble gas on the periodic table
  5. 12. has an atomic number of 3
  6. 14. the symbol of this element is “Br”
  7. 15. the lightest element and sometimes is known as dihydrogen
  8. 16. appears; between fluorine and bromine on the periodic table
  9. 17. it is a radioactive noble gas and colorless and odorless
  10. 20. salt is also known for this element
  11. 21. Has a atomic number o 19 with a chemical symbol of ‘k’
  12. 23. group 18, number 36
  13. 24. has an atomic number of 55
Down
  1. 1. has an atomic number of 9
  2. 3. has an atomic number of 54
  3. 4. First alkali metal in the group to have a density higher than water
  4. 6. has an atomic number of 53
  5. 8. a chemical element that has a symbol of “Se”
  6. 10. chemical elements that mostly lack distinctive metallic properties
  7. 11. chemical element with a symbol of “C”
  8. 13. the third most abundant gas in eaths atmosphere
  9. 15. its boiling point is the lowest among all elements
  10. 18. Clue: has an atomic symbol of “p”
  11. 19. its atomic mass is 32,065 u
  12. 22. metals The six chemical elements that make up group 1