Wednesday, February 3, 2010

True or False, An atom with a different number of neutrons than protons is called an Isotope?

True or False, An atom with a different number of neutrons than protons is called an Isotope?





How can this be true, though? Alot of elements in the periodic table do not have an equal amount of neutrons. For example, the atomic number of Zinc is 30 and the atomic weight is 65.409. If there are 30 protons and 30 neutrons which give atomic weight, the total atomic weight should be 60. Unless Zinc is actually an isotope?True or False, An atom with a different number of neutrons than protons is called an Isotope?
True. Don't forget the atom of zinc also has 30 electrons, this is what the atomic number is based on. And each neutron is heavier than each proton. other factors that determine the weight is due to the fusion process.True or False, An atom with a different number of neutrons than protons is called an Isotope?
true
It is false.


Just look for hydrogen; it only has a proton and an electron.





An example for isotopes:


These are isotopes of hydrogen:


deuterium; with 1 proton and 1 neutron


tritium; with 1 proton and 2 neutrons





MJ
true, if it has a different # of protons its a different atomic number and element
yeah thats true





actually mass no is different from atomic wt





atomic wt is a relative statement wherein u take the mass of c12 to be 12 units whereas mass no is no of protons + no of electrons

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