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Periodic table ?????????????!!help!?
describe in detail how the work of mendeleev helped us devise the periodic tableThe periodic table ..?
ok so i'm an a level chemist but i've just realized an awful lot of very basic things about the periodic table i need clarifying why is it called the periodic table of elements and not the periodic table of atoms? i think i'm right in thinking that not all the elements in it are naturally occurring so what determines that synthetic elements are put into the table or not (ie there are some that lasted fractions of microseconds when made) are there any naturally radioactive element (ie plutonium was made from uranium and is in the periodic table but is it radioactive if so why is it in the table)? is it true there are only 92 naturally occurring elements? very stupid questions i know but no one ever actually teaches you this stuff and its all pretty fundamental thanksNew periodic table of elements lyrics?
my chemistry teacher said he would give people 100 extra credit points if they could sing the new periodic table song (we already had to do the old one as an assignment) where all the elements are in order. The problem is that i can't find actual lyrics online that i can print out, there's only videos. if anyone could give the lyrics, that'd be awesome. thanks!Calculate the atomic mass of the unknown metal and refer to the periodic table to identify the metal.?
A 0.136g sample of an unknown metal (X) reacted with hydrochloric acid according to the following balanced chemical equation: 2X 6HCL ==> 2XCl3 3H2 The volume of gas collected over water was 90.5 mL at 20 celsius and 756 mmHg. Calculate the atomic mass of the unknown metal and refer to the periodic table to identify the metal. Thanks for any responses : )Periodic table challenge?
Have a look at this link: ttp://www.bbc.co.uk/comedy/lookaroundyou/series1/periodic.shtml It is a picture of the periodic table. Please have a close look and try to see if there are any mistakes, or unusual elements that you can spot. He or she who finds the most abnormalities will have 10 points Good luck! p.s: feel free to share it with your friends and families Here is the link: http://www.bbc.co.uk/comedy/lookaroundyou/series1/periodic.shtm.
- Title : Mastering The Periodic Table Activity 5 Nonmetals Word Find Fresh ... 62 periodic table in Worksheet category
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