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Katena32 [7]
3 years ago
15

The ratio of sizes between the ionic radii of anions and cations in a cell has no influence on the manner of packing for that ce

ll. a. True b. False
Chemistry
1 answer:
Morgarella [4.7K]3 years ago
5 0

Answer:

The answer is B. False

Explanation:

The ratio of sizes between the ionic radii of cations and anions in a cell influences the manner of packing for that cell thereby predicting the possible cation/anion coordination number in any compound and establishing the structure of ionic solids.

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Plz HELP ITS SCIENCE!
Alexxx [7]
Cell wall:
-acts like a skin
- most selectively controls what is inside and outside of the cell
-rigid

Cell membrane:
-gives a plant cell
-not rigid
6 0
3 years ago
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Which of the following transitions represent the emission of a photon with the largest energy?
s2008m [1.1K]

Answer:

n=6 to n=3 (B)

Explanation:

Energy of an electron present in the n^{th} orbit is directly proportional to n^{2} .Hence a transistion from one orbit to another orbit emits an energy proportional to the difference of their squares of the orbits. that is if an electron travels from orbit n1 to orbit n2 then it emits an energy corresponding to n_{1} ^{2} -n_{2} ^{2}.So in the above question the highest energy emission occurs when an electron moves from n=6 to n=3.(Highest difference of energy levels).

6 0
3 years ago
Create a sentence about a cat for each type of figurative language
meriva
1.) Onomatopoeia - <span>The use of words whose sounds suggest their meanings.

Meow purred the cat as I scratched behind it's ear.


2.) Personification - </span><span>A figure of speech in which human qualities are attributed to an object, animal or idea.
</span><span>
The cat rolled it's eyes at it's humans obnoxious behaviour.


3.) Alliteration - </span><span>The repetition of sounds/letters at the beginning of a word.

</span>The keeper c<span>ouldn’t </span>k<span>eep all the cats in their cages.
</span><span>
4.) Pun - A play on words.

You have cat to be kitten me right now!

5.) Hyperbole - An over-exaggeration.

The cat jumped so high I swore it was going to the moon!

6.) Idiom - </span><span>A figurative meaning of the connotation of the word. (Different from the literal meaning.)
</span><span>
Well, she sure is another breed of cat, I'll tell you that!

(omg it rhymes too how exciting !!)

7.) Simile - </span><span>A comparison using like or as.
</span><span>
The cat's fur was as dark as night.

8.) Metaphor - </span><span>A comparison not using like or as.
</span><span>
The cat's fur was a blanket of warmth!!

Hope these examples helped !! :-)


</span>
5 0
3 years ago
Read 2 more answers
What is Alfunim second element ? Please help !!!
Vikentia [17]
Aluminum? It is a chemical element with the symbol Al and atomic number 13. It is a silvery-white, soft, non-magnetic and ductile metal in the boron group. By mass, aluminium is the most abundant metal in the Earth's crust and the third most abundant element
3 0
3 years ago
A hydrogen halide diffuses 1.49 times faster than HBr. This hydrogen halide is
marysya [2.9K]

To solve this problem, we must assume ideal gas behaviour so that we can use Graham’s law:

vA / vB = sqrt (MW_B / MW_A)

where,

<span>vA = speed of diffusion of A  (HBR)</span>

vB = speed of diffusion of B (unknown)

MW_B = molecular weight of B (unkown)

MW_A = molar weight of HBr = 80.91 amu

 

We know from the given that:

vA / vB = 1 / 1.49

 

So,

1/1.49 = sqrt (MW_B / 80.91)

MW_B = 36.44 g/mol

 

Since this unknown is also hydrogen halide, therefore this must be in the form of HX.

HX = 36.44 g/mol , therefore:

x = 35.44 g/mol

 

From the Periodic Table, Chlorine (Cl) has a molar mass of 35.44 g/mol. Therefore the hydrogen halide is:

HCl

6 0
3 years ago
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