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Wittaler [7]
3 years ago
12

Is this statement true or false? A chemical reaction is balanced when the number of atoms of each element is the same for both t

he reactants and the products.
Chemistry
1 answer:
mart [117]3 years ago
7 0

Answer: True

Explanation:

because

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HEEEEELP ASAPP IM AWARDING 30 points!!!!
alexira [117]

Answer:

\rm S^{2-}.

Explanation:

Based on the electron configuration of this ion, count the number of electrons in this ion in total:

2 + (2 + 6) + (2 + 6) = 18.

Each electron has a charge of (-1).

Atoms are neutral and have 0 charge. However, when an atom gains one extra electron, it becomes an ion with a charge of (-1). Likewise, when that ion gains another electron, the charge on this ion would become (-2).

The ion in this question has a charge of (-2). In other words, this ion is formed after its corresponding atom gains two extra electrons. This ion has 18 electrons in total. Therefore, the atom would have initially contained 18 - 2 = 16 electrons. The atomic number of this atom would be 16.

Refer to a modern copy of the periodic table. The element with an atomic number of 16 is sulphur with atomic symbol \rm S. To denote the ion, place the charge written backwards ("2-" for a charge of (-2)) as the superscript of the atomic symbol:

\rm S^{2-}.

5 0
3 years ago
Read 2 more answers
Of these non-metals which one is likely to be least reactive
natulia [17]

Answer:

the answer is the swecond option

Explanation:

Its b ur well come

7 0
3 years ago
Why should we store Phosphorus in water​
ryzh [129]

Answer:

Only white phosphorus is stored under water. White phosphorus spontaneously reacts with oxygen in the air to burst into flame to form phosphorus pentoxide

Explanation:

3 0
3 years ago
Which of these sentences describes a benefit of fracking?
bagirrra123 [75]
Answer is: <span>A. Fracking reduces U.S. dependency on oil and gas from other countries..
Other answers are not bad side of fracking.
</span>Fracking is technique in which rock is fractured by a pressurized liquid and is used in <span>to create cracks in the rock formations through which </span>natural gas<span>, </span>petroleum<span> will flow more freely.</span>
7 0
3 years ago
Read 2 more answers
Please provide thorough explanation
Arlecino [84]

Possible products in this reaction are the products 2 and 3.

<h3>What is the Friedel Crafts reaction?</h3>

The Friedel Crafts reaction is one in which the electrophile is created by a Lewis acid reaction between the AlCl3 and the alkylhalide reactant .

Now we know that there is the possibility of two products in this reaction due to a resonance shift as such possible products in this reaction are the products 2 and 3.

Learn more about Friedel Crafts reaction:brainly.com/question/14993566?

#SPJ1

4 0
1 year ago
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