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tresset_1 [31]
4 years ago
15

Given the reaction below, which is the oxidized substance?

Chemistry
2 answers:
IRINA_888 [86]4 years ago
8 0
I would say the answe is C
tresset_1 [31]4 years ago
3 0

Answer:

Mg ²⁺

Explanation:

Τhe metal loses electrons and in forming Mg²⁺ ,it loses 2 electrons and hence oxidized.

Mg(s) ⇒ Mg²⁺ + 2e⁻

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Explain each of the following observation the melting point of lithium is higher than that of potassium
lakkis [162]

Due to its small size, lithium has a high melting and boiling point.

<h3>Why does lithium have high melting and boiling point explain?</h3>

With only one valence electron to contribute to the metallic lattice, lithium and potassium are both alkali metals. We could infer that the metallic bonding is less strong between the electron cloud and the larger potassium cation than it is in the lithium structure. This means that because lithium creates a smaller cation, the electrostatic force in this situation should be greater also Lithium has high ionization energy and a high melting and boiling point because of its small size. As a result, its crystal structure has an extremely high binding energy.

<h3>Alkali metals</h3>

The chemical elements lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and francium make up the alkali metals (Fr). They make up group 1, which is located in the s-block of the periodic table, along with hydrogen.

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2 years ago
What observation did Rutherford make from his gold-foil experiment which
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Answer:

A piece of gold foil was hit with alpha particles, which have a positive charge. Most alpha particles went right through. This showed that the gold atoms were mostly empty space. Some particles had their paths bent at large angles. A few even bounced backward. The only way this would happen was if the atom had a small, heavy region of positive charge inside it.

8 0
3 years ago
Which option is an example of a physical property?
iren [92.7K]

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