Why does it take for babies 2-3 years to speak clearly when they already have it hardwired in their brains? Because he/she has to have the perfect conditions the development of their vocal chords t finish etc.
In the field of chemistry we identified a lot of elements from a long time ago. But the atom came into existence as technology advanced. Atom was only a theoretical concept published by John Dalton but later experiments structured an atom and led to the classification of elements.
Noble gases are colorless, odorless, and tasteless. They do not normally react with
any other elements. It is very difficult to know when they are present if they don't react
or at least show up somehow.
because are realy reactive and to actually find them you have to use electrolosis to find them in there pure form which wasnt invented 20th century.
Because we know that when Mendeleev had created his first Periodic Table, only 63 elements were known, but today we have 116 elements.
i dont knw
COZ THEY R DUMB
up to about 5 to 12 hours of work
Nobody knows for sure who discovered the elemnt mercury. Records show it was used in ancient Babylon, The chemist, Antoinne-Laurent de Lavoisier, is credited with identifying mercury as an element.
To be a forensic scientist, you have to stay in school for at least 7-8 years. But it dempends on what forensic school you attend.
The most important tool for any scientist is curiosity and the desire to know. Without this, the scientist is a mere lab technician. The second most important tool for any scientist is patience. The media love to portray scientists being struck by inspiration and having a eureka moment, but even the most inspired scientist has spent long hours in thought and research preparing her mind for that eureka flash of insight.
Neither. Gold is an element. Most gold jewelry, though, is made from an alloy of gold and copper. Alloy is just another word for mixture, I guess. 24K gold is pure gold, 12K gold is half gold half copper, etc. Gold is a very soft metal, and adding copper makes is stronger.
because they have to discover them. they're not gonna just walk outside to their front lawn and discover a new element
Alfred Has Been Working On The Contintal Drift For A Long Time And Scientist Are Stilll Trying To Prove The Continental Drift. So The Continental Drift Is His First Discovery...,(:.!? --- Jocelyn !!
they study the stars, watch them for long periods to discover if they wobble. if they do then they have a gravitational pull on a planet
Science has come a long way from what it used to be. Scientist come up with new technology all the time, BIG TELESCOPES!!
he was a scientist for 900 years
That game already came out long long long time ago during Windows 98 era I think. Dont hold your breath for it either, it really has nothing to do with Titanic.
a long time
Element 87 (Francium) was discovered in 1939 by the French scientist Marguerite Perey. The pure element is hard to isolate, as it has a radioactive half-life of about 21 minutes. It is also one of the rarest elements: there is probably less than a hundred grams of it on Earth!
he did not discover Panama, people from long ago did. His crew just thought they did
actually to brake it to you scientist haven't discovered that out yet but scientist are pretty sure it has a long orbit :)
By calculating the gravitational tug necessary to pull Uranus in its orbit, they were able to tell astronomers where to point their telescopes to discover Neptune.
As long as it takes to answer their questions.