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.
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Across: 2. The number of electons in the outer orbit of argon. 5. Greek letter which looks like a doorway. 7. Particle produced when an atom either loses or gains electrons. 8. See 13 across. 9. Category of giant structure produced when a metal reacts with a non-metal. 10. Proceed. 11. Subatomic particle with a 0 charge. 12. Colloquial abbreviation for the police force in London. 13. and 8 across. Substance which has a full outer orbit of electrons. 14. Part of an atom which contains mass. 16. The atoms in chlorine _______ a pair of electrons to form a covalent bond. 17. The negatively charged particle which orbits the nucleus of an atom. 20. The property which is the same for both protons and neutrons. 21. The _________ number tells you how many protons are present in an atom. 26. Repeat. 27. The element with 81 protons (which is also a highly effective poison which is very difficult to detect). 28. The subatomic particle which has a positive charge. 31. Greatest. 32. The number of electrons which an atom of aluminium loses to gain a stable electronic structure.
Down: 1. The category of particle which forms when one (or more) pair(s) of electrons are shared between atoms. 2. Come out (as a butterfly from a crysallis). 3. Non-metal atoms _______ electrons when they react to become ions. 4. Connection between muscle and bone. 5. A leaf of a book. 6. Atoms containing the same number of protons but a differing number of neutrons. 12. Category of bonding present in magnesium. 15. Category of bonding present in water. 18. Metal atoms ______ electrons when they form ions. 19. The number of electrons in a full orbit closet to the nucleus. 20. Category of substance found to the left of the Periodic Table. 22. Location of an electron. 23. Myself. 24. Surname of married French scientists who researched radioactivity. 25. The smallest possible particle of an element. 28. Symbol of the element with an atomic number of 94. 29. Preposition to an infinitive. 30. The densest element, (twice as dense as lead!).
