Which formula represents a molecule with the most polar bond

The element that has atoms that can form halide ions is iodine.

What are halogens?

Halogens are nonmetals. At room temperature, fluorine and chlorine are gases, bromine is a liquid and Iodine and astatine are solids. Halogens are very reactive, the reactivity decreases from fluorine to astatine. Halogens do not exist in elemental form in nature. Astatine isotopes are radioactive with short half-lives.

One of the definitive properties of halogens is that they are highly reactive. Due to this nature, they can form different compounds such as halides, interhalogens and polyhalogenated compounds. We will look at them in brief below.

These are compounds formed by the reaction of halogens with metals. Metal halides can be highly ionic compounds, monomeric covalent compounds or polymeric covalentcompounds.

Therefore, The element that has atoms that can form halide ions is iodine.

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Final answer:

Nitrogen gas consists of a molecule of two nitrogen atoms, known as a nitrogen-nitrogen triple bond, making it stable and unreactive. Diatomic nitrogen atoms or compounds of nitrogen atoms are not correct representations of nitrogen gas due to the bonding and structure of nitrogen gas.

Explanation:

Nitrogen gas consists of a molecule of two nitrogen atoms. In this molecule, the two nitrogen atoms are bound together in what is known as anitrogen-nitrogen triple bond, which is very strong. This is why nitrogen gas is very stable and unreactive under normal conditions.

Therefore, a diatomic nitrogen atom or a compound of nitrogen atoms is not a correct representation of nitrogen gas because these expressions do not accurately reflect the bonding and molecular structure of nitrogen gas.

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Answer : The total mass of oxygen gas released in the reaction will be, 12.8 grams

Explanation :

Law of conservation of mass : It states that mass can neither be created nor be destroyed but it can only be transformed from one form to another form.

This also means that total mass on the reactant side must be equal to the total mass on the product side.

The balanced chemical reaction will be,

According to the law of conservation of mass,

Total mass of reactant side = Total mass of product side

Total mass of = Total mass of

or,

Total mass of = Mass of  + Mass of

As we are given :

Total mass of = 16.12 grams

The mass of = 9.72 grams

So,

Total mass of = Mass of  + Mass of

Therefore, the total mass of oxygen gas released in the reaction will be, 12.8 grams

Final answer:

The law of conservation of mass states that the total mass remains constant before and after a chemical reaction. In the decomposition of magnesium oxide into magnesium and oxygen, the mass of oxygen gas released can be found by subtracting the mass of the substance after the reaction (magnesium) from the mass before the reaction (magnesium oxide), resulting in 6.40 g of oxygen gas.

Explanation:

The question pertains to the law of conservation of mass, which states that mass is neither created nor destroyed. It is also linked to the third postulate in Dalton's series. In the case of magnesium oxide decomposing into magnesium and oxygen, you can use this law to solve the problem.

If 16.12 g of magnesium oxide decomposes to 9.72 g of magnesium, this means that the rest of the mass must be the oxygen gas released. The mass of the magnesium oxide (16.12 g) minus the mass of the magnesium (9.72 g) gives the mass of the oxygen gas. Therefore, the mass of oxygen gas released is 16.12 g - 9.72 g = 6.40 g.

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