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Musya8 [376]
3 years ago
8

How many of the particular atoms are there in NaOH​

Chemistry
1 answer:
SCORPION-xisa [38]3 years ago
4 0
<h3>Answer:</h3>

1 atom of sodium, 1 atom of oxygen and 1 atom of hydrogen

<h3>Explanation:</h3>
  • An atom is the smallest particle of an element that can take part in a chemical reaction.
  • Compounds and elements are made of atoms.
  • Atoms of the same element are similar while atoms making a compound are different as they are from different elements.
  • For example, Cl₂ is an element made up of two chlorine atoms, while NaOH is a compound made up of atoms of different elements. That is, one sodium atom, one oxygen atom and one hydrogen atom.

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Place the following covalent bonds in order from least to most polar: a. H-Cl b. H-Br c. H-S d. H-C
timofeeve [1]

Answer:


The Order is as follow,

                                     C-H < S-H < H-Br < H-Cl


Explanation:

                      Polarity depends on the electronegativity difference between two atoms, greater the electronegativity difference, greater will be the polarity of bond and vice versa.


Electronegativity Difference between Hydrogen and other given elements are as follow,


1) C-H;

               E.N of Carbon     = 2.55

               E.N of Hydrogen = 2.20

                                           ------------

               Difference              0.35


2) S-H;

               E.N of Sulfur       = 2.58

               E.N of Hydrogen = 2.20

                                           ------------

               Difference               0.38


3) H-Br;

               E.N of Bromine   = 2.96

               E.N of Hydrogen = 2.20

                                          -------------

               Difference              0.76


4) H-Cl;

               E.N of Chlorine   = 3.16

               E.N of Hydrogen = 2.20

                                           -----------

               Difference               0.96


Hence it is proved that the greatest electronegativity difference is found between H and Chlorine in H-Cl, therefore it is highly polar bond and vice versa.

7 0
3 years ago
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