The atomic number of radium is 88.
The first name was radium; some isotopes had in the past other names.
Radium belongs to Group 2 of the periodic table, also known as the alkaline earth metals.
Radium has no Latin name as it was unknown to the Romans. The name "Radium" is a synthetic Latin style name made up by its discover: Marie Curie.
Radium has an atomic number of 88, meaning it has 88 protons. The most common isotope of radium is radium-226, which has a mass number of 226. This mass number represents the total number of nucleons (protons and neutrons) in the nucleus, so radium-226 has 226 nucleons.
Radium has 138 neutrons.
The density of radium at about room temperature is 5.5  g·cm−3. That's 5.5 grams per cubic centimeter, or 5.5 grams per milliliter. A link to the Wikipedia article on radium is provided.
The name is only radium, with the chemical symbol Ra.
radium and nitrogen
Radium is a non metal element. Atomic number of it is 88.
Radium is an element, atomic number 88.
The name radium is derived from the Latin language word radius (= radiation).
The name radium is derived from the Latin language word radius, equivalent to radiation.