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What is the atomic number to Ra?
Radium is a non meta element. Atomic number of it is 88.
First element known to be radioactive?
Uranium is the first element known to be radioactive. It was discovered by Henri Becquerel in 1896.
This element has an atomic number that is double the atomic number of silicon?
this elemnt has an atomic number that is double the atomic number of silicon?
Which two solid metal elements might scientists use to create an element with an atomic number of 129?
Strontium(Sr) and Radium(Ra)
This element has the atomic number that is double the atomic number of silicon?
The element with an atomic number that is double the atomic number of silicon is germanium, with an atomic number of 32. Silicon has an atomic number of 14.
What is the atomic number to Ra?
Radium is a non meta element. Atomic number of it is 88.
What is the atomic number of radium?
The atomic number of radium (Ra) is 88.The atomic weight of Ra is 226 grams per mole.See the Web Links to the left of this answer for a periodic table with more information about this element!
Which radioactive element has the symbol Ra?
Radium. Atomic number 88
How many protons are in an atom represented by 220 88 Ra?
The 220 is the atomic MASS, which is the number of protons plus the number of neutrons. 88 is the atomic NUMBER, which is the number of protons only. The "Ra' is the abbreviation for radium, one of the first-detected radioactive elements.
What does 'Ra' stand for in the periodic table?
'Ra' stands for Radium in the periodic table. It is a radioactive element with atomic number 88.
What element on the periodic table has the symbol Ra?
Radium has the symbol Ra on the periodic table. It is a highly radioactive element with atomic number 88.
In the formula XBr2 if the ion of element x has a mass of 230 and 86 electrons what is the identity of the element and how many neutrons does it have?
it would be an isotope of Radon, (Radon-230)
What is the trend in atomic size in the series of Group IIA elements Be through Ra?
The atomic size increases as you move down the Group IIA elements from Be to Ra. This trend is due to the increase in the number of electron shells as you move down the group, leading to greater atomic radius.
What has 88 protons and 138 neutrons?
The number of protons of an atom is given by its atomic number. Checking the periodic table, we see that the atom with 88 protons is radium. The isotope of radium with 138 neutrons would thus be 226Ra.
The atomic weight of ra is what?
Radium 88's atomic weight is 226.0254
How many electrons do ra2 plus have?
Radium (Ra) has an atomic number of 88, meaning it has 88 electrons in its neutral state. When it becomes Ra²⁺, it loses two electrons, resulting in a total of 86 electrons. Therefore, Ra²⁺ has 86 electrons.
How many protons are in an atom represented by 22088 Ra?
22088Ra, like all isotopes of radium, has 88 protons.
