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kupik [55]
3 years ago
15

What is the most basic building block of matter?

Chemistry
2 answers:
Viefleur [7K]3 years ago
7 0
Answer would be A)the atom
vazorg [7]3 years ago
3 0

: The Atom

~Sarah Robinsen

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Which of the following is true when 1 M KCl is diluted to semi-molar KCl?
eimsori [14]

The solution before dilution and after dilution contains same number of moles, and water is added for dilution.

Option B

<h3><u>Explanation:</u></h3>

Suppose before dilution, the solution contains x moles of KCl in Y liter of water. Now as the concentration got halved, then the solution contains x moles of KCl in 2Y kiters of solution. So the number of moles of KCl in the solution remained constant.

Again, as the solution is diluted to half of the concentration, water must have been added with the solution to make it dilute.

4 0
3 years ago
True or False: Rubbing a balloon on your head for a longer amount of time will increase the attractive force of the balloon.​
Andreyy89

Answer:

no

Explanation:

4 0
3 years ago
Which of the five most abundant elements are metals?
Gala2k [10]

Answer:

Oxygen

Silicon

Aluminium

Iron

Calcium

Explanation:

Oxygen=47 percent

Silicon=28 percent

Aluminium=8 percent

Iron=5 percent

Calcium=3.5 percent

Hope it helps :)

Mark me as brainliest

6 0
3 years ago
Im in the middle of a chem test and i literally have no clue what is happening
denis23 [38]

Answer:

No question so I'm just taking the points

5 0
3 years ago
According to markovnikov's rule of the electrophilic addition to an alkene, the electrophile, usually a proton, is more likely t
stealth61 [152]

According to markovnikov's rule of the electrophilic addition to an alkene, the electrophile, usually a proton, is more likely to add to the less-substituted carbon in a double bond.

With additional substituents present in this configuration, the intermediate carbocation is stabilised by being located on the more-substituted carbon.

The nucleophile will then end up in a double bond on the more-substituted carbon in a reaction that follows Markovnikov's rule.The outcome of some addition reactions is described by Markovnikov's rule or Markownikoff's rule in organic chemistry. Vladimir Markovnikov, a Russian scientist, created the rule in 1870.

To learn more about Markovnikov's rule

brainly.com/question/14529644

#SPJ4

8 0
2 years ago
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