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alisha [4.7K]
3 years ago
12

Which of the following elements holds its electrons with the most energy?

Chemistry
1 answer:
liberstina [14]3 years ago
3 0
The answer is Boron
hope this helps
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Someone help please :)
zlopas [31]

6.79 x 10⁶

<h3>Further explanation  </h3>

Scientific Notation consists of 2 parts  

1. the first part: the first digit followed by the decimal point  

2. The second part: the power of 10 (the exponents).which shows the number of digits after the decimal point  

To add/subtract, the exponents must be the same and then add/subtract the coefficient

  • convert the largest exponent

\tt 7.2\times 10^6\rightarrow 72\times 10^5

  • subtract the coefficients

\tt =(72-4.1)\times 10^5\\\\=67.9\times 10^5\rightarrow 6.79\times 10^6

7 0
3 years ago
Can any person help me for this problem? Anyone's welcome
noname [10]

Answer:

The anode made of the impure copper

The cathode made of pure copper

The electrolyte of copper (II) sulfate CuSO₄ solution

The silver impurities at the anode due to their high tendency of accepting electrons and being a stronger reducing agent than either copper or zinc will remain relatively in place and relatively stable and will not actively take part in the oxidation reaction taking place at the anode

The zinc impurities will be the first element of the three metals to give up electrons and go into the solution as zinc ions due to their high tendency to loan out two electrons and become oxidized into Zn²⁺ ions

The drawing of the electrolytic cell created with Microsoft Visio is attached

Explanation:

5 0
3 years ago
A student conducted an experiment and combined sodium chloride with magnesium hydroxide to produce sodium hydroxide and magnesiu
insens350 [35]

4800 would be the answer to your questions

8 0
4 years ago
Which theory suggests that the continents were once part of one supercontinent
Norma-Jean [14]

Answer:

continental drift

Explanation:

pangaea was once what was the cobtenentd one after the earth plates shifted enough to split apart pangea

3 0
4 years ago
Read 2 more answers
Mixing vinegar and with baking soda produces carbon dioxide and water. Is this a chemical change or a physical change?
Sergeeva-Olga [200]
This is a simple chemical change due to what it produces and how it is added together. Hope this helps.
3 0
4 years ago
Read 2 more answers
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