Question

Radium is an alkali metal.​

Answer 1

Answer:

The alkaline earth metals are six chemical elements in group 2 of the periodic table. They are beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra).

Answer 2

Answer:

radium is the element of group 18 which are also known as inert elements because their outermost electron are fully filled. radium is a radioactive element which emits alpha, beta, and gama rays ( radioactive rays).