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Your Questions About How To Discover New Elements

James asks…

Which row of the periodic table contains the most recently discovered elements?

Also

Can you suggest a reason?

New Niche Finder answers:

The seventh row contains the most newly discovered elements.

Mandy asks…

Where would you place this new element in the period table?

Ive got do this homework for tomorrow and i dont know nothing about science ! it says :

Imagine you are a scientist who has just discovered a new element. The element has an atomic number of 113 , and it has three electronsin the outer level of each atom. Where would you place this new element in the period table?

New Niche Finder answers:

Yes like the answer above me but i would like to add that it is between number 112,Ununbium(Uub) and 114,Ununquadum(Uuq).

Lisa asks…

didnt they find a new element recently for the periodic table of the elements?

if so then there could really be new elements in space, and new alien life…if so what? im thinking non intelligent organism’s, where in the center of the universe? wouldn’t the smart life be closer to the center of the universe since it was created first, so if not where are we in comparisons to the center of the universe and are we alone ultimately?

New Niche Finder answers:

The most recent element discovered is called Ununbium atomic number 112 and most stable isotope is 285, in 1996

Guess what? It has a lifetime of 280 microseconds 0.00280 seconds. So it does not stay around long.

Before I answer your question, I just want to make a point. As the atomic number increases, generally elements become less stable. Neutrons and a lot of quantum mechanics goes into understanding stability, but eventually the forces of Nature are not enough to hold large nuclei together, and they decay to something else,. Radioactivity is a hall mark of unstable elements.

Now these high atomic number elements are usually detected in high energy reactors. So if that Ununbium element only lives for 280 ms, that means it is at rest (in our frame of reference). In fact in accelerators, Einstein relativity tells us that as particles move faster relative to us, they appear to live longer. So from our frame looking at them move so fast, they stay around longer.

But you are not asking that really. My point is that all these new elements are unstable and radioactive. They can play no role in life as we know it. We know all the stable elements. There are no others.

Also if you look in telescopes, and do spectroscopy of different stars, guess what, we see the same elements as on Earth. So we can assume that the structure of matter is the same throughout our Universe and our periodic table is the same on distant planets. They have the same chemistry. If life exists, then it is most likely carbon based, and similar to what we know.

Now you are not correct in thinking that we should look at the center of our Universe to look for life. I guess you thought that because it has the greatest time to evolve, more life would be there, but the Universe is very old: about over 13 billion Earth years . That is more than enough time for evolution anywhere in the Universe as long as conditions are OK.

What is needed for life is liquid water, and a stable planet. The best estimate for the evolution of humans is about 100 million years, but small one cell life evolves quickly. The reason humans took longer is because we are complicated and over the history of our Earth, there have been mass extinctions along the way (we know of 6 such events), There are a lot of other things we need too: a big moon to stabilize the Earth’s axis, tectonic plates (long story) and lots of other conditions. For example, mass extinctions are caused by collisions with meteors or other objects. A meteor of 1000 meters in diameter would kill everything on Earth and boil the oceans, thereby sterilizing the Earth. A 100 m meteor would kill about 60% of life. Now we are lucky again. It is 4 billion years since we were hit by a 1000 m diameter meteor. There are two reasons for this: there are few such objects around (they have had 13 billion years to collide so a lot have been removed). The other point is that Saturn and Jupiter are much bigger than Earth and are further from the sun. Hence many big meteorites hit them before us. Saturn and Jupiter protect us!! Thus it give life time to evolve on a stable Earth.

Generally people believe life is ubiquitous, but intelligent life might not be. So astronomers look for planets like ours.

Of course these planets are often hundreds if not more light years away. We can beam radio signals to planets but it will be a long time before we get answers.

There are many many stars and likely much life out there. On the other hand some people believe that intelligent life is very rare because the optimum conditions for intelligent life are rare. In other words, we are very lucky, and we should make sure our Earth remains healthy for us.

William asks…

Discuss how the work of chemists has changed over the last two hundred years from discovering elements to?

synthesising elements.

New Niche Finder answers:

No I don’t want to do your homework, try google.

John asks…

What did Marie Curie discover in relation to the atom?

What did Marie Curie discover in relation to the atom?

New Niche Finder answers:

Radiation. Specifically, that the element Radium emits radiation.

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