7.) ਹੇਠ ਲਲਲਿਆਂ ਦੇਰਸਾਇਲਣਕ ਸ ਤਰ ਲਲਿੋ:- A.) ਐਲ ਮੀਨੀਅਮ ਕਲੋਰਾਈਡ B.) ਮੈਗਨੀਸ਼ੀਅਮ ਹਾਈਡਰੋਕਸਾਈਡ​

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

How many valence electrons are in atom of radon?

What are the two major rules associated with polarity