Yes, it is. RA is Radium.
radon
Radium.
radium
Radium, the 88th element.
Ra stands for Radium. It is present in group-2.
Radium (Ra) # 88th element in the periodic table.
radon
Radium.
it is substance because aluminum is in Periodic Table
radium
Radium, the 88th element.
Ra stands for Radium. It is present in group-2.
Radium has 88 protons.
The chemical symbol of radium (the term abbreviation is not correct) is Ra.
Rn is the chemical symbol of radon.
Only elements are in the periodic table (about 100) but oil is not an element, it is a substance.
In the periodic table, Ra stands for the element radium. Radium is a highly radioactive element with atomic number 88. It is in the alkaline earth metal group and is known for its luminescent properties.