The Periodic Table

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Across
  1. 1. are six chemical elements in group 2 of the periodic table. They are beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra).
  2. 3. have a diverse range of individual physical and chemical properties.
  3. 5. consist of the chemical elements lithium (Li), sodium (Na), potassium (K), rubidium (Rb), caesium (Cs), and francium (Fr).
  4. 8. series of chemical elements comprises the 15 metallic chemical elements with atomic numbers 57–71, from lanthanum through lutetium.
  5. 9. In actual practice, the f-block lanthanide and actinide series are also considered transition metals and are called "inner transition metals".
  6. 10. helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and the radioactive radon (Rn).
  7. 11. Neutral Ion
Down
  1. 2. series encompasses the 15 metallic chemical elements with atomic numbers from 89 to 103, actinium through lawrencium.
  2. 4. Negative Ions
  3. 6. The metallic elements in the periodic table located between the transition metals and the weakly nonmetallic metalloids.
  4. 7. Positive Ion