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:
4.
common salt with equal proportions sodium and chloride is
5.
atomic number 26 and mass number 56
Down:
1.
monovalent element
2.
mass number 19
3.
his theory doesnot propose anything about positive and negative charges of atom
4.
contains 16 protons and 16 neutrons
OK