Question

रेडियो एक्टिव alkali अर्थ मेटल इज​

Answer 1

Answer:

In chemistry, an alkali (/ˈælkəlaɪ/; from Arabic: القلوي‎ al-qaly "ashes of the saltwort") is a basic, ionic salt of an alkali metal or alkaline earth metal chemical element. An alkali also can be defined as a base that dissolves in water. A solution of a soluble base has a pH greater than 7.0.

Answer 2

Answer:

Radioactive alkaline earth metal is Radium