crossword
Crossword
Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
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Check
Across:
2.
The orbits are associated with fixed amount of energy , so Bohr called them......
5.
.................... has attomic number 11
Down:
1.
sulphur has atomic number ............
3.
rutherford selected ............. foil for his experiment
4.
in l shells maximum .................number of electrons can be seen
OK