1. whats a region of negative electrical charge?
2. whats found in the nucleus of an atom?
3. what element has 3 energy shells with 6 in the las lvl?
4. what element has 6 nuetrons in the nucleus
5a. whats the symbol of Beryllium?
5b. What element has 81 nuetrons?
6. what is found in energy levels?
7. whats the electcial charge of a proton?
8. what element has the symbol Li?
9. whats the symbol for Silicon?
10. whats the smallest particle of matter that may exist and still have properties of the matter?
11. whats the simplest atom?
12. whats mass divided by volume?
13. what contains protons and neutrons?
14. what elements atomic mass equals 27?
15. what electrical charge is attracted to a postive charge?
16. what element has an atomic mass of 119?
17. what element has 20 protons in the nuclues?
18. what elemnt has the symbol Hg?
19. what is a positive particle found in an atom?
20. what element has 138 neutrons in its nucleus?
contiued in addition info
2007-11-17
18:00:49
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3 answers
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asked by
Kristen
2
in
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21. whats the symbol for Xenon?
22. what element has 64 electrons?
23. whats the element with the symbol K?
24. what element has 8 protons and 8 neutron?
Please help...
2007-11-17
18:02:18 ·
update #1