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Neutrons is the heaviest particle, because it contain both electron and proton . We know mass of the proton is (1.672623 X 10-27 kg) 1840 times heavier than that of electron mass (9.109390 X 10-31 kg). On comparing proton and electron we get a new idea that neutron (the neutral particle) have both electron and proton so mass of neutron is 1.674929 X 10-27 kg .
By A.V. NARENDARA KUMAR (CHENNAI)
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∙ 14y ago
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∙ 11y agoThe heaviest atom so far discovered is 294Uuo (ununoctium, element 118).
The biggest atom is caesium with an empirical radius of 260 pm.
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∙ 11y agoThis is caesium with an empirical radius of 260 pm.
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∙ 14y agoUnunoctium (uuo): It is a noble gas and has a Atomic Mass (amount of protons and neutrons) of 294.
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∙ 8y agoUnunseptium and Ununoctium are both listed at 294.
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∙ 14y agoUranium
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∙ 10y agoOxygen
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Which element Is an alkali metal with a mass greater than 200?
Francium is the heaviest of the alkali metals, with an atomic mass of 223 grams.
What is the atomic mass for magnesiam?
Magnesium is a meta element. Atomic mass of it is 24.
What is the heavist element in the periodic table?
The heaviest stable element is bismuth, atomic number 83, atomic weight 208.9804). Any heavier element is radioactive, which means it decays into lighter elements - uranium, the heaviest naturally occurring element, will eventually decay into lead-207.
What is the difference between the atomic number and the atomic mass?
Atomic mass is the mass of 1 mole of the element. Atomic number is the number of protons the element has
What is the atomic mass of a nickel?
Nickel is a meta element. Atomic mass of it is 59.
What is the element with the heaviest atomic mass?
Ununseptium and Ununoctium are currently tied.
Worlds heviest man- made element?
This element is ununoctium - atomic number 118; uuo is an artificial element. I suppose that you think to atomic mass and not to density.
Which element Is an alkali metal with a mass greater than 200?
Francium is the heaviest of the alkali metals, with an atomic mass of 223 grams.
Is uranium haviest natutural element?
Yes, uranium has the heaviest atomic mass between natural elements (238,02891).
What is heaviest element on earth?
no its the diamond we did it at school the othere term :P fail
What natural element has the most mass?
Uranium - atomic weight; 238,02891 But now it is more correct to consider plutonium as the heaviest natural element (mass: 244 for the isotope 244Pu).
Heaviest element that is highly radioactive?
The heaviest element that is highly radioactive is Ununoctium, which has an atomic number of 118.
What is the atomic mass for magnesiam?
Magnesium is a meta element. Atomic mass of it is 24.
What is the heaviest element with a one letter atomic symbol?
Uranium
Which element has the atomic mass of 126.9045?
The element is Iodine (I). It has an atomic mass of about 126.9.
Which man made element is the heaviest?
This element is ununoctium - atomic number 118.
What is the heavist element in the periodic table?
The heaviest stable element is bismuth, atomic number 83, atomic weight 208.9804). Any heavier element is radioactive, which means it decays into lighter elements - uranium, the heaviest naturally occurring element, will eventually decay into lead-207.
