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Lilit [14]
2 years ago
11

Which metalloids would behave more like metals? Which metalloids would behave more like nonmetals?.

Chemistry
2 answers:
joja [24]2 years ago
5 0

The metalloid that tends to act more like metals is boron.

The metalloids that tend to act more like nonmetals are arsenic, antimony, and tellurium.

Metals are the elements that have the ability to lose electrons, while nonmetals are the elements with the ability to gain electrons.

<h3>Metalloids, Metals, and Nonmetals</h3>

The metalloids are the elements with the ability to act as both metals and nonmetal. The metalloids have wide application, with its characteristic in between metals and nonmetals.

The metalloids with less than 4 electrons in the valence shell tends to act like metals, while metalloids with more than 4 valence electrons tends to act more like nonmetals.

The metalloid that tends to act more like metals is boron.

The metalloids that tend to act more like nonmetals are arsenic, antimony, and tellurium.

Learn more about metalloids, here:

brainly.com/question/17482288

weeeeeb [17]2 years ago
3 0

Answer: A. metalloids in group 16 and B. metalloids in group 13

Explanation: took the test and got it right

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charle [14.2K]

The wavelengths of light that an atom gives off when an electron falls to a lower energy level corresponds to Emission spectrum , Option D is the correct answer.

<h3>What is Emission Spectrum ?</h3>

Light is absorbed or emitted when an electron jumps or falls into an energy level.

The energy of light absorbed or emitted is equal to the difference between the energy of the orbits.

Therefore , the wavelengths of light that an atom gives off when an electron falls to a lower energy level corresponds to Emission spectrum.

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In an aqueous chloride solution cobalt(ii) exists in equilibrium with the complex ion cocl42-. co2 (aq) is pink and cocl42-(aq)
liraira [26]

First you should know that the Principle of Le Chatelier states that <u>if a system in equilibrium is subjected to a change of conditions, it will move to a new position in order to counteract the effect that disturbed it and recover the state of equilibrium.</u>

The variation of one or several of the following factors can alter the equilibrium condition in a chemical reaction:

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1. This reaction is: <u>a. exothermic</u>

The chemical equilibrium at issue is:

CoCl₄²⁻  ⇄   Co²⁺ + 4Cl⁻ + heat

<em>blue</em>            <em>pink</em>

The reaction of the question is <u>exothermic</u> because when adding heat (at high temperature) the equilibrium moves to the left since the blue color is strong which means that there are more reagent (CoCl₄²⁻) that product (Co²⁺). On the other hand, when extracting heat from the system (at low temperature) the equilibrium moves to the right since the pink color predominates and more product is present in the solution.

2. When the temperature is decreased the equilibrium constant, k: <u>c. remains the same.</u>

As mentioned above, <u>a system in equilibrium that is disturbed will move to a new position in order to counteract the effect that disturbed it and recover the state of equilibrium. </u>In this way, the system will always remain in equilibrium and its equilibrium constant will remain constant. This is why, despite altering the temperature of the system, the equilibrium constant remains constant.

3. When the temperature is decreased the equilibrium concentration of Co²⁺:  <u>a. increases</u>

Again, the chemical equilibrium at issue is:

CoCl₄²⁻  ⇄   Co²⁺ + 4Cl⁻ + heat

As the reaction in question is exothermic when the temperature decreases, heat is extracted from the system. <u>To compensate this decrease in heat, the system will react by shifting the balance to the right, increasing the concentration of the products and, therefore, the concentration of Co²⁺.</u>

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