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The curie is defined as that amount of radioactivity which has the same disintegration rate as 1 g of 226 ra.
Radium atomic number. Chemical symbol for radium is ra. Ra ii ground state 1s22s22p63s23p63d104s24p64d104f145s25p65d106s26p67s2s1 2. Melting point of radium is 700 c and its the boiling point is 1140 c. Twenty five isotopes are now known.
The chemical symbol for radium is ra. Radium is a chemical element with the symbol ra and atomic number 88. Number of protons in radium is 88. Atomic number of radium atomic number of radium is 88.
Atomic number of radium radium is a chemical element with atomic number 88 which means there are 88 protons and 88 electrons in the atomic structure. It is the sixth element in group 2 of the periodic table also known as the alkaline earth metals. Melting point 700 0 c 973 15 k 1292 0 f boiling point 1737 0 c 2010 15 k 3158 6 f number of protons electrons 88. Atomic number of radium radium is a chemical element with atomic number 88 which means there are 88 protons and 88 electrons in the atomic structure.
Ionization energy 42573 36 cm 1 5 278423 ev ref. Ra i ground state 1s22s22p63s23p63d104s24p64d104f145s25p65d106s26p67s21s0. Radium 226 the common isotope has a half life of 1600 years. Radium emits alpha beta and gamma rays and when mixed with beryllium produce neutrons.
The chemical symbol for radium is ra. One gram of 226 ra undergoes 3 7 x 10 10 disintegrations per second.
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