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What is the rarest element on earth?
The rarest naturally occurring element on Earth is astatine. It is a radioactive element with a very short half-life, making it extremely rare and difficult to study. It is estimated that there is only a few grams of astatine present in the Earth's crust at any given time.
What is the rarest single element in the earth's crust?
Of the following Elements;O,Si,Al,Fe,Ca,Na,K,Mg....which is the rarest single element in the Earth's crust?.....i say it's Mg because it is on 2% by weight of the Earth's crust.
What is the rarest gas element in the earth's atmosphere?
Xenon is the rarest gas element in the earth's atmosphere. It represents 90 parts-per-billion of the total atmosphere.
What is an object that crashes into Earth called?
An object that crashes into Earth is called a meteorite.
How might Earth's gravity affect an object?
Earth's gravity affects an object by attracting it towards the center of the Earth, causing the object to have weight. The strength of this gravitational force depends on the mass of the object and the distance between the object and the center of the Earth. Objects experience a downward acceleration due to gravity, causing them to fall towards the Earth if unsupported.
What are the rarest minerals on earth?
oxegen
What is the rarest element on earth?
The rarest naturally occurring element on Earth is astatine. It is a radioactive element with a very short half-life, making it extremely rare and difficult to study. It is estimated that there is only a few grams of astatine present in the Earth's crust at any given time.
Whats the rarest thing ever?
Peace on Earth
What is a the rarest thing on earth?
gold,jewelery and stuff
What state of matter is the rarest on Earth?
Of those that are actually found on Earth, plasma is the rarest state of matter. It is present in:excited gases in fluorescent tubes and similarwelding arcslightningauroras
What is the rarest single element in the earth's crust?
Of the following Elements;O,Si,Al,Fe,Ca,Na,K,Mg....which is the rarest single element in the Earth's crust?.....i say it's Mg because it is on 2% by weight of the Earth's crust.
Are igneous rocks the rarest rocks found on earth?
Apples are cool
What is the rarest gas element in the earth's atmosphere?
Xenon is the rarest gas element in the earth's atmosphere. It represents 90 parts-per-billion of the total atmosphere.
What eclipse is the rarest to see?
A total solar eclipse is considered the rarest to see, as it occurs when the moon completely blocks the sun and casts a shadow on Earth. These eclipses are only visible in a specific path along the Earth's surface and can happen every 18 months or so.
What is the most rarest thing on earth?
the world because there is only one of it
What is the second rarest element on Earth?
The second rarest element on Earth is unstable so it does not have a long life (22min.), but uranium is the rarest natural element and is the second heavist natural element. Actually, there are even rarer elements that last for less then fractions of a second. Some are so rare that they haven't even been discovered.
What is the rarest type of owl on earth?
The rarest type of owl on earth is the Forest Owlet (Heteroglaux blewitti), native to India. It was thought to be extinct until it was rediscovered in 1997. There are estimated to be less than 250 individuals left in the wild.
