ELECTRICITY
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
Check
Across:
2.
a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron
3.
the particles in an atom that have a neutral charge
4.
center of atom
Down:
1.
the smallest particle of a chemical element that can exist.
2.
the least possible amount
OK