Rubidium has two natural isotopes (85Rb and 87Rb) and 30 artificial isotopes.
This statement is incorrect. Isotopes of an element have the same number of protons but differ in their number of neutrons. Rubidium, specifically, has two stable isotopes: Rb-85 and Rb-87, which both have 37 protons but different numbers of neutrons.
The atomic number of rubidium is 37.
Most rubidium (about 72.2%) is of the isotope 85Rb, which is stable. The remainder of natural rubidium (about 27.8%) is of isotope 87Rb, which has a half life of 4.88 x 1010 years and decays into 87Sr. There are a number of other isotopes of Rubidium, all of which are synthetic, having half lives ranging from less than a microsecond to something more than 86 days.
Isotopes. They differ in the number of neutrons in the nucleus.
The atomic number of rubidium (Rb) is 37.The atomic weight of Rb is 85.4678(3) grams per mole.See the Web Links to the left of this answer for a periodic table with more information about this element!
This statement is incorrect. Isotopes of an element have the same number of protons but differ in their number of neutrons. Rubidium, specifically, has two stable isotopes: Rb-85 and Rb-87, which both have 37 protons but different numbers of neutrons.
The atomic number of rubidium is 37.
Rubidium is a metal element. Mass number of it is 85.
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Most rubidium (about 72.2%) is of the isotope 85Rb, which is stable. The remainder of natural rubidium (about 27.8%) is of isotope 87Rb, which has a half life of 4.88 x 1010 years and decays into 87Sr. There are a number of other isotopes of Rubidium, all of which are synthetic, having half lives ranging from less than a microsecond to something more than 86 days.
Rubidium has 37 electrons and protons; the number of neutrons is specific for each isotope. Number of neutrons in a rubidium isotope = Mass number - 37
no, Rubidium is an element with periodic number 37
Rubidium is an element (atomic number 37).
Rubidium is an element (atomic number 37).
Rubidium is an element (atomic number 37).
Rubidium has 37 electrons and protons; the number of neutrons is specific for each isotope. Number of neutrons in a rubidium isotope = Mass number - 37
Rubidium is a metal element. Mass number of it is 85.