An atom has eight protons and nine neutrons. draw the atomic structure of the atom

1 answer:

7 0

Draw eight circles and nine more in a big circle = this represents your nucleus
draw eight electrons (since electrons = protons in neutral elements) outside of it (2 in one ring, then 6 in a second ring)

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Is it true that soaps are salts of sulfonic acids though some have been made from alkyl sulphonates

Neko [114]

Answer:

It is false.

Soaps are sodium and potassium salts of fatty acids.

Synthetic detergents on the other hand, are salts of long-chain alkyl sulfuric acids (sulfonic acid) or alkylbenzenesulfonic acids, rather than carboxylic acids.

Explanation:

Soaps are sodium and potassium salts of fatty acids. Soaps are made by the process of saponification in which an alkali is added to a fat or oil and then boiled to produce a salt of the fatty acid known as soap. The alkali used may be sodium or potassium hydroxide. However, the advantage of potassium soaps is that are more soluble and lather more easily.

<em>Salts of sulfonic acids or alkylbenzenesulphonates are known as detergents</em>. Unlike soaps, they are not salts of fatty acids and are more soluble in hard water, because the polar sulfonate ion of detergents does not readily bind to calcium and other ions found in hard water. Thus, detergents are more widely used as cleansing agents than soaps

3 0

2 years ago

Draw all the structural isomers for the molecular formula c4h9br. Be careful not to draw any structures by crossing one line ove

Rufina [12.5K]

There are four structural isomers with the molecular formula C₄H₉Br.

You start by writhing the linear carbon chain and the you start moving the bromide atom until you find all the compounds. In our case you have bromide atom in the position 1 and 2 on the carbon chain.

Then you branch the carbon chain and you have isobutane. Here the possible positions for bromide is 1 and 2 on the primary carbon chain.