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Answer : 2. "Protium"
99.985% of hydrogen atoms have only one proton. What is that called?
5Q:
99.985% of hydrogen atoms have only one proton. What is that called?
- 1Heliumfalse
- 2Protiumtrue
- 3Electronfalse
- 4None of thesefalse
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Answer : 2. "Protium"
Explanation :
The most abundant isotope, protium (1H), or light hydrogen, has no neutrons and only one proton and one electron. Protium is stable and makes up 99.985% of naturally occurring hydrogen atoms. The nucleus of deuterium (2H) contains one neutron and one proton.