A polyatomic ion that contains two hydrogen atom is called

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Answer 1

Answer: Hi there, A polyatomic ion that contains two hyrdrogen atom is called a 'dihydrogen.' The chemical name for dihydrogen is dihydrogen monoxide which is DHMO.

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Explain why a model of the atom is crucial to understanding chemistry and in explaining the behavior of matter. Use 3 - 4 sentences in your explanation.

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The model of the atom is crucial because without it we wouldn't know how the protons, neutrons, and electrons are connected. Essentially, the protons and neutrons are seen with their bonds while electrons are rotating waves of energy that go around the atom. This model helps us differentiate different elements and isotopes based on the number of components and the way they are connected.

Understanding the model of the atom helps predict how elements will react with each other.

For example, the ball-and-stick model is a molecular model of a chemical substance which is to display both the three-dimensional position of the atoms and the bonds between them.

The atoms are represented by spheres, connected by rods which represent the bonds.

Every ball represent one atom in one molecule and they have different colors for different atoms (for example, carbon is black, hydrogen is white, nitrogen is blue).

There also other models: skeletal models, polyhedral models, composite models, computer-based models.

The monoprotic acid from among the following isa. H2CO3.
b. H2SO4.
c. H3PO4.
d. HCl.

Answers

Answer: Option (d) is the correct answer.

Explanation:

An acid which gives only one hydrogen ion or $H^(+)$ ions upon dissociation in an aqueous solution is known as a monoprotic acid.

Whereas when an acid gives two hydrogen or $H^(+)$ ions upon dissociation in an aqueous solution is known as a diprotoc acid.

And when an acid gives three hydrogen or $H^(+)$ ions upon dissociation in an aqueous solution is known as a triprotoc acid.

Therefore dissociation of the given acids in an aqueous solution will be as follows.

$H_(2)CO_(3) \rightarrow 2H^(+) + CO^(2-)_(3)$

$H_(2)SO_(4) \rightarrow 2H^(+) + SO^(2-)_(4)$

$H_(3)PO_(4) \rightarrow 3H^(+) + PO^(2-)_(4)$

$HCl \rightarrow H^(+) + Cl^(-)$

Hence, we can conclude that out of the given options, HCl is the monoprotic acid.

Monoprotic acid are acids having only one hydrogen atoms after dissociation into ions from its compound. The monoprotic acid from among the following is HCl. The answer is letter D. HCl → H+ + Cl-. Note that there is only one H+ ion upon dissociation.

What is the difference between a homogeneous and a haterogeneous mixture

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a homogeneous mixture has the same uniform appreance, and composition throughout. heterogeneous mixture consists of visibly different substances or phases, that would be your answer to that question.

Given the balanced equation representing a reaction:Zn(s) +H2SO2(aq) ==> ZnSO4(aq) + H2(g)What type of reaction is represented by this equation?
(1) decomposition (3) single replacement
(2) double replacement (4) synthesis

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Zn + H₂SO₄ = ZnSO₄ + H₂

answer (3) single replacement

hope this helps!

Increasing the intensity and duration of an exercise program too quickly can lead to injury.

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assuming you want a true or false answer, this is true.

The Answer Is True :) Took The Test:)

Find the oxidation number of each sulfur in the molecule H2S4, which has a linear arrangement of its atoms.

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In the molecule H2S4, each sulfur atom has an oxidation number of -2.

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