Regarding the formula AI2 O3 which of the following is accurate

Answers

Answer 1

Answer:

D. The subscript 2 indicates that two atoms of aluminum are present in the substance.

Explanation:

Actually, the formula of alumina is Al₂O₃

The subscript 2 tells us that there are 2 Al (Aluminum) atoms, and the subscript 3 says that there are 3 oxygen atoms, so D is the accurate statement.

Choice A is wrong as 3 is not the coefficient, and it is a subscript.

Choice B is wrong since the subscript 2 meant for the aluminium atoms, and not the oxygen atoms.

Finally, choice C is also wrong since the symbol Al refers to the metal aluminium, and not the oxygen.

Related Questions

Read the excerpt below from "Sophistication" by Sherwood Anderson and complete the statement that follows.Pushing his way through the crowds in Main Street, young George Willard concealed himself in the stairway leading to Doctor Reefy's office and looked at the people. With feverish eyes he watched the faces drifting past under the store lights. Thoughts kept coming into his head and he did not want to think. He stamped impatiently on the wooden steps and looked sharply about. "Well, is she going to stay with him all day? Have I done all this waiting for nothing?" he muttered.George Willard, the Ohio village boy, was fast growing into manhood and new thoughts had been coming into his mind. All that day, amid the jam of people at the Fair, he had gone about feeling lonely. He was about to leave Winesburg to go away to some city where he hoped to get work on a city newspaper and he felt grown up. The mood that had taken possession of him was a thing known to men and unknown to boys. He felt old and a little tired. Memories awoke in him. To his mind his new sense of maturity set him apart, made of him a half-tragic figure. He wanted someone to understand the feeling that had taken possession of him after his mother's death.Source: Anderson, Sherwood. "Sophistication." Winesburg, Ohio. New York: B. W. Huebsch, 1919. Bartleby.com. Web. 15 Aug. 2011.Based on a character analysis of the protagonist, George Willard is probably __________ years old.nineteenthirtyelevenforty-five
How would you use chaos in a sentence
How is the weasel different from the other animals Sam has met? A. The weasel is not afraid of Sam and harasses him. B. The weasel brings food to Sam. C. The weasel is not interested in Sam and ignores him. D. The weasel likes to be held and wants to live with Sam.
What does this mean? Write 6 paragraphs in addition to a conclusion?Does that mean I write 6 paragraphs then followed by another paragraph which is a conclusion, or just 6 paragraphs?
The activity director explained the contest rules. What is the Action Verb:

Work you do for pay is called a _____. service industry
diverse workforce
job
volunteer job

Answers

Answer:Job

Explanation:

Answer:

a job

Explanation:

Which best describes the theme of "There Was a Child Went Forth"?

Answers

In "There was a child went forth every day," Whitman describes the childhood of a kid. The poem is believed to be autobiographical. ... He argues that everything that the child experiences becomes a part of him, that he will carry through life.

Answer:

In "There Was A Child Went Forth," Whitman describes the childhood of a kid. The poem is believed to be autobiographical. ... He argues that everything that the child experiences becomes a part of him, that he will carry through life.

Read this paragraph from the text:A major problem for the Allies was communication. Many of the code breakers from Japan had been educated in the United States, and they had learned to speak English well. They could crack the codes about U.S. battle plans even before the orders were sent to the American troops on the front lines. This meant lost battles, lost ground, and lost lives for the Americans.

How does this paragraph affect the text?

A.It speeds up the pacing by describing action.

b.It slows down the pacing by describing action.

C.It speeds up the pacing by offering background information.

D.It slows down the pacing by offering background information.

Answers

Answer:

C. Because they gave background information that Japan cracked codes about the U.S. troops they were able to easily come to the conclusion.

I’m pretty sure it’s c but I’m not smart

abierto, -a nervous 2. casado, -a open 3. divorciado, -a sick; ill 4. lastimado, -a married 5. nervioso, -a hurt; injured 6. enfermo, -a divorced

Answers

1. abierto-a, open.

2. casado-a, married.

3. divorciado-a, divorced.

4. lastimado-a, hurt; injured.

5. nervioso-a, nervous.

6. enfermo-a, sick; ill.

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11) Excerpt from The Narrative of the Life of Frederick Douglass Frederick Douglass By far the larger part of the slaves know as little of their ages as horses know of theirs, and it is the wish of most masters within my knowledge to keep their slaves thus ignorant. Which figure of speech does the author use in to compare slaves to horses? A) a simile B) a metaphor C) a hyperbole D) personification

Answers

Answer:

a) Simile

Explanation:

Because it is comparing using as

"slaves know as little of their ages AS horses know of theirs"

Answer:

Explanation:

Got it Rightttt

How to write 4.110 in words

Answers

4 and 11 hundredths. the zero at the end doesnt matter

Four and one hundred and ten thousandths