NASA's Perseverance rover finds possible signs of life on Mars, revealing organic compounds and water traces in Martian rocks ...

An electron is transferred from sodium to chlorine. Sodium becomes a positive ion and chlorine becomes a negative ion. The positive and negative ions attract each other and form the ionic compound ...

( MENAFN - KNN India) New Delhi, Dec 31 (KNN) The government has initiated a countervailing duty investigation into the ...