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san4es73 [151]
3 years ago
11

Help me with this please !!!

Chemistry
1 answer:
Daniel [21]3 years ago
4 0

militer is the answer

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Which of the following represents a decomposition reaction? A. AC + B → AB + C B. A + B + C → ABC C. ABC → A + B + C D. AB + CD
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Answer:

C

Explanation:ABC is being broken down into A, B, C

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barxatty [35]

<em>Same group element have same</em><em><u> Valence electron</u></em><em> and behave similarly in </em><em><u>Chemistry.</u></em>

<u>Explanation:</u>

For example. First group elements Alkali metals:- H, Li, K, Rb, Cs, Fr

Valance electron will take part in forming a bond with other elements and compound will form. All the above-given elements (H-Fr) have valence electron 1 in outer most 'S' shell. All have electronic configuration S1

Behavior: Since valence electrons are the same so the behavior of all the elements in this group is the same. All are metal (from Li-Fr, except Hydrogen), all are very reactive, does not found in native state in the environment, and all react with water.

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where is the graph i need it to answer haha put the graph then i will answer
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Can arsenic be broken down by a chemical change
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Arsenic is a pure element. Elements (atoms) are the simplest building blocs excluding smaller elementary particles such as electrons, neutrons, quarks, protons etc. 

This means that Arsenic can not be broken down any further by chemical change, only nuclear decay can cause the breakdown of large elements into smaller ones. Chemical change would be the combination of multiple elements into a compound or the decomposition of a molecule/compound into pure elements or smaller compounds. 
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