0
Still curious? Ask our experts.
Chat with our AI personalities
Fran
Lao
ViviAdd your answer:
Earn +20 pts
What is the mass number of europium?
Mass number is the number of protons and neutrons in the nucleus of an atom. And we might consider that the mass number of europium is 153 and call it good. Europium has an atomic number of 63, and there is only one stable isotope of it - europium-153. This isotope has the 63 protons and 90 neutrons. But there are other isotopes of europium, and their mass numbers range from 130 through 167 because europium has isotopes with neutron counts from 47 through 104. Use the link below for more information.
What is the nuclear notation for europium?
superscript 63 and subscript 152 Eu (the super and subscript go before the symbol with superscript on top of the subscript)
What is the square root of 3.14 ten times?
Depending on your meaning, it is; 1.772 (rounded), 1.772 (rounded), 1.772 (rounded), 1.772 (rounded), 1.772 (rounded), 1.772 (rounded), 1.772 (rounded), 1.772 (rounded), 1.772 (rounded), 1.772 (rounded), Or 17.72 Or 5.60357(Rounded)
Why is hydrogen not rounded to 1?
It is rounded to 1 - when rounded.
What is 129 rounded?
The answer depends on the degree to which it is to be rounded.
