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Related Questions
What is heluim atom?
Look at a periodic table. He is element #2, with 2 protons and 2 neutrons in the nucleus, and 2 elecrtrons in the 1s orbital, making it stable.
What family does heluim belong to?
Heluim belongs to a group of elements called the noble gases
What is the heluim symbol?
He
Is heluim a mixture?
No.
What does heluim smell like?
gas
What do heluim and air have in common?
Both are gases.
Is air heavier than heluim?
Yes
What is the chemical symbol for Heluim?
The chemical symbol for Helium is He
What chemical element is considered to be a noble gas?
heluim
Is heluim-4 nuclei a gamma ray?
no, it is an alpha particle.
Why is helium present in radioactive minerals?
heluim are 4 nucleide
How many protons is in osimum?
Osmium has as many protons as it needs
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