ATOMS
 

 Alpha particule    electron     nucleus      proton 
                                 
Consistof two protons                    is a negative          eukaryotic organelle      positively charged
  And two neutrons                          charge                     that directs all activities      partcle  that is                                                                                                                                                                                                                                                                           Present in all  atoms                                                                                                                                     
                                                                                                                                                               
                           


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What is ph? Is a measure of how acids or basic the solutions is hydronium ions and hydroxide ions. What are ph values ? Do this values depend on something?  The ph is generally ranges from 0 -14 more acidic solutions have a very lower ph values a solutions which a ph values and a solutions which a ph - 0 is highly acidic.a solution that has a ph of seven is natural.others básicas solutions have a higher ph value. Check chat 3.2 about acid and bases .what  can you say about it ? Tha powerful are hydrochloric sulfuric nitric. And powerful bases are sodium-potassium and  hydroxide . What is neutralization ? Give examples Is a type of quemical reaction in which a strong acid and strong base react which each other to form water and salt. Example: heartsburns  
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