Answer:
Classification of elements in groups provide us with a fixed pattern in which the elements change their properties periodically.
Explanation:
Answer: Selenium is a chemical element with the symbol Se and atomic number 34. It is a nonmetal with properties that are intermediate between the elements above
Explanation:
<span>The third equivalence point is not observed in the titration curve of phosphoric acid because the specific point is concealed due to the rapid ionization of water which in turn forms an hydroxide ion and a molecule called hydronium molecule. The pH value changes more at the first and second points.</span>
Answer:
28
Explanation:
CnH2n+2 is the general molecular forma for a acyclic alkane
