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Sergio039 [100]
3 years ago
11

Choose the answer below that gives the correct chemical symbol and classification (metal, metalloid, or nonmetal) for the elemen

t named. Select one: a. The element called niobium is a metal with the chemical symbol Ni. b. The element called tin is a metal with the chemical symbol Sn. c. The element called carbon is a metalloid with the chemical symbol Cr. d. The element called copper is a metal with the symbol C. e. The element called Astatine is a nonmetal with the chemical symbol As.
Chemistry
1 answer:
Zielflug [23.3K]3 years ago
6 0

Answer: B. The element called tin is a metal with the chemical symbol Sn.

Explanation:

A is incorrect because Ni is Nickel, not Niobium.

C is incorrect because Carbon is a nonmetal and its symbol is C, not Cr.

D is incorrect because Copper's symbol is Cu, not Ce.

E is incorrect because As is the symbol for Arsenic, not Astatine.

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I really need help please
Greeley [361]

Answer:

I think it's B

hope this helps

5 0
3 years ago
What was the original pressure in a rigid container if the new pressure is 82.5atm and the temperature was raised from 44C to 67
zhenek [66]

Answer: 54 atm

Explanation:

I did 67/82.5 then got 0.8121212121. I them divided 44 by 0.81212121 and got 54.1791044776

4 0
3 years ago
Name the following ether: OCH2CH3
Lelu [443]

The name of the given ether is ethyl benzyl ether .

<h3>What are ethers?</h3>

Ethers are organic compounds formed when nan oxygen atom is bonded to two alkyl or aryl groups.

Ethers usually have relatively high boiling points as a result of the central oxygen atom. An example of an ether, is ethyl propyl ether

The name of the given ether is ethyl benzyl ether as it has a benzyl and ethyl group attached to the oxygen atom.

In conclusion, ethers are characterized by an oxygen atom bonded to two alkyl or aryl groups.

Learn more about ethers at: brainly.com/question/20772030

#SPJ1

3 0
2 years ago
Alright, now you actually have an aqueous solution of your salt! Though perhaps not all of the salt has dissolved yet, but we'll
erica [24]

If not all of the salt has dissolved then the measurement of the concentration at the time is really inaccurate.

<h3>What is concentration?</h3>

The concentration is the amount of substance that is present in solution. We know that we can not measure the concentration unless all of the solute have been dissolved in the solution.

Thus, if not all of the salt has dissolved then the measurement of the concentration at the time is really inaccurate.

Learn more about concentration:brainly.com/question/10725862

#SPJ1

7 0
1 year ago
A car traveling with constantspeed travels 150 km in 7200s what is the speed of the car
kompoz [17]
The speed is 7,350km that's the speed of the car
5 0
3 years ago
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