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The heaviest elements come mainly from supernovae. Iron is the heaviest element that can be produced by fusion. Heavier elements are produced by neutron capture. An individual free-floating neutron collides with a nucleus and merges with it. That doesn't produce a higher element on the Periodic Table, because the atomic number depends on the number of protons. However, nuclei with too many neutrons are unstable, and will eventually "decay". A neutron will decay into a proton and an electron.
Free neutrons don't exist in great numbers in normal stars, so neutron capture doesn't happen significantly in them.
Elements from carbon to iron can be formed by fusion in large stars.
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Where is the early atmosphere thought to have come from?
It comes from the process of planetary differentiation. light elements such as nitrogen rise up to form the atmosphere,whereas heavy elements such as iron sink to the mantle.
Is the gas around a planetary nebula helium?
The amount of helium compared to other elements differ but a nebula occurs so late in a stars lifetime that heavy elements have been synthesized. A nebula is thus often a complex combination of several elements mostly between helium and iron.
How do we get heavy elements?
Heavy elements were formed in stars, and blown out into space in supernova explosions.
Why do objects sink?
objects sink because they are to heavy.
Why is it inaccurate to say that all heavy objects will sink in water?
because if the heavy objects have a round bottom they will float
Where did heavy metal originate for example what year?
1968.
Aristotle said heavy objects will fall faster and Galileo said heavy and light objects will fall at the same acceleration?
Yes, that is correct.
What planet contains the fewest heavy element?
Jupiter contains the fewest heavy elements. Unlike other planets, Jupiter is a gas planet, and contains mostly light elements.
Why do heavy objects sink in quicksand?
objects sink in quicksand because they are so heavy they make a bigger hole in the sand,they go faster objects sink in quicksand because they are so heavy they make a bigger hole in the sand,they go faster
How do you measure heavy objects such as automobile?
Pounds
Why do objectes?
objects sink because they are to heavy.
Do heavy objects fall to the ground before light objects?
No, they fall at the same time.
