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guajiro [1.7K]
3 years ago
13

which group of the periodic table has elements with atoms that tend not to bond with other atoms of other elements

Chemistry
1 answer:
yuradex [85]3 years ago
3 0
Noble gases:) they are very non-reactive
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A molecular covalent substance (such as co2) has a low melting point because the covalent bonds that hold the molecules together
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A molecular covalent substance (such as co2) has a low melting point because the covalent bonds that hold the molecules together are weak and do not require much energy to break:- False.

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It is a molecular compound, which is a mixture of at least two atoms—the smallest building blocks of matter—joined by a covalent bond. These atoms are joined by a covalent bond, which is formed when electrons are shared.

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2 years ago
Using the following reaction:
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Answer:

Mn is the oxidizing agent.

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Explanation:

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In this case, according to the undergoing chemical reaction, it is seen that the manganese in KMnO4 has an oxidation state of 7+, in MnSO4 of 2+ and nitrogen in KNO2 is 3+ and in KNO3 is 5+; thus we have the following half-reactions:

Mn^{7+}+5e^-\rightarrow Mn^{2+}\\\\N^{3+}\rightarrow N^{5+}+2e^-

Thus, since manganese is undergoing a decrease in the oxidation state, we infer it is the oxidizing agent whereas nitrogen, undergoing an increase in the oxidation state is the reducing agent.

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3 years ago
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He will decide which drink is to be served to whom, by the use of litmus paper.

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Answer:

Explanation:

There's no equation attached. What equation is it?

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