Atomic Structure
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.
neutron was discovered by
3.
according to dalton atom is hard ,solid ball and ...
5.
smallest unit to measure lengths
6.
made up of two or more atoms
Down:
1.
atomic number 15
4.
neutron is a______ particle
OK