The Atom
__1. Argon has _ electronsA. 18
__2. Argon has _ neutronsB. 40
__3. Argon has _ protonsC. 39.9
__4. Atomic Mass of argonD. 22
__5. Atomic Number of argonE. 18
__6. Mass Number of argonF. 18
__7. Symbol for argonG. Ar
__8. atomic mass of ironA. 55.8
__9. Atomic Number of ironB. 26
__10. iron has _ electronsC. 30
__11. iron has _ neutronsD. 56
__12. iron has _ protonsE. 26
__13. mass number of ironF. 26
__14. The symbol for ironG. Fe
__15. atomic mass of potassiumA. 39.1
__16. Atomic Number of potassiumB. 19
__17. mass number of potassiumC. 20
__18. potassium has _ electronsD. 19
__19. potassium has _ neutronsE. 19
__20. potassium has _ protonsF. K
__21. symbol for potassiumG. 39
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