Why is VSEPR theory thought to explain how molecules and ions behave?

August 21, 2018 Educator

THE LEAP

How did her father die in “The Leap?”

The narrator’s mother’s first husband was Harry Avalon, the performer. He died in the trapeze accident. The narrator’s mother’s second husband is the narrator’s father. The mother met this man…

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YOUNG GOODMAN BROWN

What falls from the sky that convinces Brown that his wife is attending the witches’ Sabbath?

When Young Goodman Brown is walking through the forest, he suddenly hears a young woman’s voice lamenting some sorrow. He shouts out, “‘Faith!’” in agony and fear. He hears a scream and then,…

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TO KILL A MOCKINGBIRD

What facts does Dill offer about his father?

Dill’s father is a mystery to Scout and Jem. Scout asks where Dill’s father is, and he tells her that he does not even have one, but that the man is alive somewhere. Dill arrives one summer…

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SCIENCE

Why is the brain a really important organ?

We can think of our brain as the control center of our body. The brain controls the actions of our body, everything that we do and think. Think of anything (including thinking) and it is controlled…

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YOUNG GOODMAN BROWN

What falls from the sky that convinces Brown that his wife is attending the witches’ sabbath?

As the devil leads young Goodman Brown to the witches’ Sabbath, he hears a multitude of voices, but he is able to pick out one in particular: the voice of a “young woman, uttering lamentations.” He…

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HISTORY

In what ways did Mongol control make contact between the East and the West much easier, bringing…

The Mongol domination brought a period of peace and prosperity to Europe that is known as the Pax Mongolica by historians. The Mongol rule of Europe had a stabilizing effect on the continent for…

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THE DEVIL AND TOM WALKER

In “The Devil and Tom Walker”, what characteristics of the setting can be considered Gothic?

“The Devil and Tom Walker” has elements of both Gothic and Romantic literature, partly because the influences of these genres overlapped the time period in which it was written. Romantic literature…

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MACBETH

Why does Macduff leave his kids and wife with the man he suspects of murder?

In Act 4, Scene 3, Malcolm asks Macduff this very same question. He does not understand why he left his wife and children unprotected. Unfortunately, Macduff does not provide any answer, so we…

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LITERATURE

What is the summary for Empires of the Word by Nicholas Ostler?

Ostler gives us a clue as to what his book is about with the full title: Empires of the Word: A Language History of the World. As stated, this book is truly a history of language in the world as…

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MANIAC MAGEE

Why did Maniac bring Mars Bars to the West End? Was his plan successful?

Maniac wanted to bring the West Enders and East Enders together. He felt that their ignorance about one another had led to animosity. Maniac himself had experienced this when he lived with the…

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SCIENCE

About how much of Earth’s water is contained in glaciers and ice caps?

Most of Earth’s freshwater (about 68.7%) is locked up in ice caps and glaciers. One concern about global warming is that it will melt the ice caps and cause the oceans around the world to rise,…

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THE GIVER

In The Giver, what does “we gained control of many things, but we had to let go of others,” mean?

We get the impression that there are things outside of the community’s control, and for that reason those things “had to be let go.” While we do not ever know exactly what all of those “things”…

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THE TELL-TALE HEART

In “The Tell-Tale Heart,” what happens when the police arrive?

The day after the narrator has killed the old man, the police arrive at his doorstep inquiring about a shriek during the middle of the night. The narrator is convinced that he has nothing to fear…

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TUCK EVERLASTING

A similarity between the Fosters’ home and the Tucks’ home is that both are isolated from the rest of society in one sense or another. The Tucks’ home is literally isolated because it is located in…

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HISTORY

For what reasons did Hinton Helper call for an end to slavery?

Hinton Helper’s arguments may seem puzzling to a modern reader, as he argued against the institution not from sympathy for enslaved people but for ordinary whites who he thought suffered…

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HISTORY

In the American Civil War, was sectionalism or slavery more important?

This question assumes that sectionalism and slavery were not related. In my view, there is no way to separate these two. Much of the sectionalism was caused by the issue of slavery. Therefore,…

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THE GREAT GATSBY

Why is it strange the way Myrtle talks about the servants?

Myrtle is a the wife of a low class garage owner, but when she meets up with Tom in Chapter 2, not only do her clothes change, but so, too, does her attitude about the lower class, especially…

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THANK YOU, M’AM

What is the climax of the story “Thank You, M’am” by Langston Hughes?

In the short story, “Thank You, M’am,” by Langston Hughes, a boy named Roger tries to steal Mrs. Jones’ purse. Mrs. Jones takes him to her room in a boarding house despite his pleas for her to let…

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UNCLE TOM’S CABIN

Describe the view of slavery portrayed in Uncle Tom’s Cabin.

Harriet Beecher Stowe condemns slavery in every way in this novel, which was written as a polemic, with the purpose of persuading white readers that even under the best circumstances, slavery was a…

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THE ADVENTURES OF HUCKLEBERRY FINN

What lie did Huck tell about his father to the slavehunters to keep them away from the raft?

In Chapter 20 of The Adventures of Huckleberry Finn, Huck and Jim are looking for Cairo, Missouri where the Ohio River connects with the Mississippi River. When they find Cairo, they can catch a…

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SCIENCE

What are the six parts to modern cell theory?

I wish scientists would agree on how many parts exist to modern cell theory. Depending on the textbook or teacher, there are two general summaries of modern cell theory. A 3 part model and a 6…

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SCIENCE

How common are reverse faults in relation to normal ones?

Faults are breaks in the earth’s crust that divide the crust into major pieces, called tectonic plates. When the plates move, they bump into each other. Depending on the density of the rock…

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THE CRUCIBLE

What has happened that has made Reverend Parris so anxious in The Crucible?

In Act One, Reverend Parris has been made very nervous by finding, the night before the play begins, his daughter and niece “dancing like heathen in the forest” with his Barbadian slave, Tituba,…

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HISTORY

What were the main causes of World War One?

There are many causes of the First World War. Let us look at four main ones: Militarism: For at least three decades before the war, the powers of Europe, especially Germany, France, and Great…

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TO KILL A MOCKINGBIRD

Should the children try and make Boo Radley come out of his house in To Kill a Mockingbird?

If the children were respectful, they would leave Boo Radley alone. However, they are children, and the myths and superstitions surrounding Boo Radley’s life is just too much for them to ignore….

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SCIENCE

What kind of velocity does water have?

This is sort of a strange questions. Water has no innate velocity, nor does any other substance; only when it is set in motion by some forces (e.g. causing a wave), can water have a velocity. In…

HISTORY

Why was George Washington elected and not someone else? 1 image

George Washington became President after the election of 1788. He was elected with every elector in the Electoral College voting for him. There was a reason for this. George Washington was…

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LAMB TO THE SLAUGHTER

Characterize Mr. Maloney from “Lamb to the Slaughter”.

The characterization of Patrick Maloney is given directly and indirectly. This means that we can get information about the way that he looks and reacts (direct characterization), and whatever we…

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NIGHT

Describe Moshe the Beadle, emphasizing his relationship with the Jews of Sighet, particularly…

Moshe the Beadle is the first character we meet in Night by Elie Wiesel. He is a very religious man–poor but also very intelligent. Moshe is very well liked by the people of his town, Sighet,…

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HAMLET

How does Hamlet’s decision to stage a play impact the action of the drama?

Hamlet’s decision to stage a play accelerates the action of the drama. Up to that point he had been procrastinating about fulfilling his duty to kill Claudius. He did not quite understand what was…

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DÉSIRÉE’S BABY

Why is Desiree suspected of being black?

Because their baby resembles the quadroons of the plantation, such as the “yellow nurse woman,” Zandrine, and the little boy who waves a fan one day as he stands near the baby, Armand Aubigny…

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THE BRONZE BOW

How does Daniel hurt the people around him because of his hate?

Daniel’s anger and bitterness towards the Romans adversely affect his relationships with others and ends up hurting those closest to him. Initially, Daniel flees from the village to live with Rosh…

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HISTORY

What were the “three sparks ” that led to tension between the colonists and the British…

There were several actions that led to tension between the colonists and the British government after the French and Indian War. One was the passage of a series of unpopular tax laws. The colonists…

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SCIENCE

What is ore?

Ores are the form in which most metallic elements are mined. They are rocks that contain the elements found in compounds. Ores are refined and the elements are extracted, often by a chemical…

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LITERATURE

Titles of poems are seldom useful to discuss as part of an explanation. Is this true or false?

False! Titles are one of the most important things a writer thinks about when writing a poem or other literary piece. It is the first thing a reader will see and remember, so it better catch the…

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HISTORY

How did the Scottsboro Case illustrate the different strategies of the NAACP and the Communist…

The Scottsboro Boys of 1931 were nine African-American teenagers accused in Alabama in 1931 of raping two white women on a train. When the case hit the newspapers, the NAACP began to follow the…

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D. SNODGRASS

What is the point of view in W.D. Snodgrass’ poem, “Leaving the Motel”?

This is an interesting question because the poem “Leaving the Motel,” by W.D. Snodgrass, does seem to begin in third person (“Outside the last kids holler…”), but then switches to a checklist of…

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MATH

what does the word [n] mean in math

Hello! For real number x,x, the symbol [x][x] means the integer part of x,x,i.e. the largest integer number not greater than x.x. In decimal notation for positive x=n.mkl…,x=n.mkl…, [x]=n.[x]=n. For…

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GREAT EXPECTATIONS

What can we learn from Pip in Great Expectations when it comes to the three stages of his life:…

As a bildungsroman, or novel of maturation, the reader follows the protagonist Pip from his innocent childhood at the Forge on the marshes of England’s countryside to his youthful arrogance and…

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THE HUNGER GAMES

Which utopian and dystopian elements can be found in The Hunger Games? What are similarities and…

The Hunger Games are actually evidence that Panem is a dystopia. A utopia is a perfect world, and a dystopia is a world gone horribly wrong. In a dystopia, the community usually creates strict…

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THE GREAT GATSBY

What did Gatsby get from Dan Cody after Cody died?

In The Great Gatsby by F. Scott Fitzgerald, Cody provided for Gatsby in his will “a legacy of twenty-five thousand dollars” (107). After Cody’s death, all of his money went to Ellen Kaye, “the…

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HISTORY

What were the causes and effects of the Wall Street crash of 1929?

There were a series of factors that led to the crash of the stock market in 1929. The effect of the crash was significant. During the 1920s, people were buying a lot of stocks. The stock market was…

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SOCIAL SCIENCES

Give example(s) of goods and services whose elasticity of supply is equal to zero.

A good or service whose elasticity of supply is zero is one whose quantity supplied in the market does not correlate whatsoever with its price. On a supply-demand graph (where the y-axis is the…

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HISTORY

What are the three great monotheistic religions?

The three great monotheistic religions are generally identified as Judaism, Christianity, and Islam. All of these religions are connected, sharing a common heritage of sorts. Judaism was the first…

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THERE WILL COME SOFT RAINS

What makes this poem ironic?

The poem “There Will Come Soft Rains”, which is read by the robotic house in the story of the same name, is ironic because it unknowingly comments on the reality of the world in which the house…

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HISTORY

How did knights dress in the Middle Ages?

Knights played a crucial role in medieval society. Though a knight had to be noble by birth, knighthood was not guaranteed and he had to work extremely hard, starting first as a squire (a knight’s…

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LITERATURE

What is the summary for Culture of Fear by Barry Glassner?

Well, first it is important to realize that the full title of Glassner’s book can tell us a lot about the subject at hand. It is an incredibly long title: The Culture of Fear: Why Americans Are…

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HISTORY

In his “I Have a Dream” speech, King makes the claim that “the Negro is still not free.” In…

In order to answer this question, you simply need to look at the words of Dr. King’s speech. He clearly lays out what he sees as evidence that African Americans were not free. Here is the…