Sunday, February 7, 2010

Chemistry Q's True or False... forgot book please help!?

Please answer either True or False to the following questions... I forgot my Chem book at school and this stuff is due tomorrow.





TRUE or FALSE





1. The electromagnetic force in an atom is different from the other three forces because it can attract or repel the particles on which it acts.





2. The property of an element that means it an be drawn intowires is called luster.





3. Sodium belongs to the transition metals.





4. Nonmetals are ussually poor conductors of electricity.





5. The most striking property of the noble gases is their inactivity.





6. In forming compounds, nonmetals tend to lose electrons.





7. Vertical columns of elements in the periodic table are called periods.





8. One of the elements discovered by the Curies was uranium.





9. The energy that holds the nucleus of an atom together is the binding energy.





10. Gamma rays are electromagnetic waves of very high frequency and energy.





11. The spontaneous breakdown of an unstable nucleus is artificial trasmutation.Chemistry Q's True or False... forgot book please help!?
1. True


2. False (its maleability)


3. True


4. True


5. True


6. True


7. Don't remember


8. False (its Radium)


9. True


10. True


11. Don't remember





I have left Chemistry study 25 years back. Most probably the answers are correct. Get it confirmed from some one else too.Chemistry Q's True or False... forgot book please help!?
geez i hated chemistry, lets see...i think #4 is true, for #10 i know they have a very high energy and ya im pretty sure they have high frequency so true, and for #7 true,
1) T


2) F


3) F


4) T


5) T


6) F


7) F


8) T


9) F


10) T


11) F
you shoodn't hav 4gotten ur book
1.F


2.F


3.F


4.F.


5.T


6.F


7.F


8.T


9.F


10.T


11.F
8. T
God helps those who help themselves. If you can access YAnswers, then you can search for your homework answers on the web. Here are some sites to try (at least some are searchable by keyword). Or you could just Google the key words (e.g. gamma rays)





http://antoine.frostburg.edu/chem/senese鈥?/a>


http://www.chem4kids.com/


http://dir.yahoo.com/Science/chemistry/





And incidentally, I WOULDN'T just copy the T's and F's that some others have given you. They're more than likely random answers thrown in to give you trouble or mess with your head. Or not. But how do you know?

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