Henry's 30th Crossword Puzzle

123456789101112
Across
  1. 4. In astronomy, the Messier 30 (M30) is a globular cluster located which constellation?
  2. 6. Which countries uses +30 as its international dialling code?
  3. 8. In chemistry, 30 is the atomic number for what?
  4. 10. There are 30 tracks on the album The White Album by which artist?
  5. 12. Which American state was the 30th to join the United States of America in 1848?
Down
  1. 1. , 30 is the number of letters in which alphabet?
  2. 2. As Roman numerals, the number 30 is written
  3. 3. A polygon with 30 sides is called what?
  4. 5. 30 years old is the minimum age for what American public official?
  5. 7. In the bible, Judas betrayed Jesus for 30 silver what?
  6. 9. In the game of Bingo, the ball 30 is known as ‘Dirty what’?
  7. 11. How many months have 30 days?