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chem exam 1

chem exam

what are diatomic elements? elements that are always in a pair when its in gas form. ex: hydrogen gas = H2
what does BrINClHOF stand for? Br bromide, I iodine, N nitrogen, Cl chlorine, H hydrogen, O oxygen, F fluorine. Br2, I2, N2, Cl2, H2, O2, F2
what is key to remember about diatomics? only in pairs when it relates to gases
what's a pure substance? A pure substance is made of only one type of particle (atoms or molecules) and has a fixed, uniform composition. examples = element: oxygen compound: water
what is a mixture? A mixture is made of two or more substances physically combined, not chemically bonded. example= salt water
Created by: 20250936
 

 



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