Atomic Structure
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.
1
2
3
4
5
Check
Across:
1.
a negatively charged subatomic particle
3.
positively charged center of the atom consisting of protons and neutrons
5.
subatomic particle with a positive electric charge
Down:
2.
neutral subatomic particle
4.
made up of extremely
small particles
OK