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The answer is Radium
Gillian Watsica
Wiki User
∙ 13y ago213At (Astatine) which has a half life of 125 nanoseconds or 0.000000125 seconds.
Wiki User
∙ 14y agoThere are a number of artificial elements that are not yet fully researched.
Of the elements below no. 93, the shortest lived is astatine.
Wiki User
∙ 15y agoThe answer is Radium
Wiki User
∙ 13y agoHassium
Wiki User
∙ 10y agohassium
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A diver jumps from a 48ft cliff into the ocean with an initial velocity of 8 seconds when does he hit the water?
"8 seconds" is not a velocity.
What is the element whose atom has 8 electrons when neutral?
The number of electrons corresponds to the "index" number of the element in the periodic table. The 8th element is Oxygen, which has 8 atoms when neutral. That didnt answer the question. ANSWER Neon has 8 electrons :)
Is the krypton element stable or unstable?
no it is not stable bcoz if an atom needs to be stable it needs to have 8 electrons in the valency (outermost) shell,where as a krypton has only 2 in its valency electron.
If a mass on a spring takes eight seconds to complete five cycles what is its period?
(8 seconds) / (5 periods) = 1.6 seconds per period
What is the frequency of a wave with a period of 8 seconds?
Time period = 1 / frequency. Frequency = 1 / time period. f = 1 / 8 = 0.125 Hz
Is lithium 8 an isotope why?
Yes, but it has a halflife of only 0.86 seconds.
What element has 2 protons 8 neutrons and 2 electrons?
You think probably at 8 neutrons; in this case the extremely unstable isotope is 10He. Atomic mass: 10,0524; Halflife: 2,7.10-21 seconds
What element has 8 protons and 8 neutrons and is a gas?
Oxygen is the only element with 8 protons.
In high school volleyball how many seconds do you have to serve?
Internationally, a server has only 8 seconds to serve.
What is 8 seconds in 1 hour?
The fraction of 8 seconds/ 1 hour = 8 seconds/ 60 minutes = 8 seconds/ 3600 seconds. This would mean that 8 seconds is 1/ 450 of a hour and that 8 seconds is 0.222% of a hour.
What element that has 8 protons and 8 neutrons?
The element that has 8 protons and 8 neutrons is oxygen.
Can carbon have 8 protons?
No, carbon can not have 8 protons. The number of protons in an element can not vary. Carbon can only have 6 protons (the atomic number). If an element has 8 protons, it is oxygen.
Why do cowboys ride a bull for 8 seconds?
when bull riding you stay on as long as you can, you dont stop at eight seconds. i think its just a rule that a rider can only score if they stay on for 8 seconds, i think its for a challange
What models represent isotopes of the same element?
Isotopes of the same element have different number of neutrons.
How do you find the height of the tower given only 8 seconds stone is dropped?
distance = speed x time so the distance is just the speed of the stone x 8 seconds
How long is 488 seconds?
8 minutes, 8 seconds
How many seconds are there in 8 days?
8 days = 691,200 seconds.
