Simple Way to Understand Properties of Matter

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who got simple way to understand about properties of matter?
Thanks you...
 
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Learn chemistry :rolleyes:! Your question is way too broad for one to give an answer with a straight face.
 
The properties of matter by Anonymous Bob
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The basic properties

http://www.sirinet.net/~jgjohnso/matter.html
 
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It seems like a simple enough question: what is the solubility of epsom salt in water at 20°C? A graph or table showing how it varies with temperature would be a bonus. But upon searching the internet I have been unable to determine this with confidence. Wikipedia gives the value of 113g/100ml. But other sources disagree and I can't find a definitive source for the information. I even asked chatgpt but it couldn't be sure either. I thought, naively, that this would be easy to look up without...
I was introduced to the Octet Rule recently and make me wonder, why does 8 valence electrons or a full p orbital always make an element inert? What is so special with a full p orbital? Like take Calcium for an example, its outer orbital is filled but its only the s orbital thats filled so its still reactive not so much as the Alkaline metals but still pretty reactive. Can someone explain it to me? Thanks!!

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