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nika2105 [10]
3 years ago
14

What is an atom? Hshshdgwbdhwjshdhshshsbsh

Chemistry
1 answer:
serg [7]3 years ago
5 0
A atom is a basic element
You might be interested in
How many moles are in 5.6x1025 molecules of calcium oxide?
Vlad1618 [11]

Answer:

<h2>93.02 moles</h2>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

n =  \frac{N}{L} \\

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

n =  \frac{5.6 \times  {10}^{25} }{6.02  \times  {10}^{23} }  \\  = 93.023...

We have the final answer as

<h3>93.02 moles</h3>

Hope this helps you

8 0
3 years ago
Someone help pls thank you i will give brainliest
Lelu [443]

Answer: See attached image

Explanation:

6 0
3 years ago
Read 2 more answers
Please help thank you
maxonik [38]

Answer:

K=1.7x10^{-3}

Explanation:

Hello there!

In this case, according to the given information, it turns out possible for us to solve this problem by firstly setting up the equilibrium expression for the given reaction, in agreement to the law of mass action:

K=\frac{[NO]^2}{[N_2][O_2]}

Next, we plug in the given concentrations on the data table to obtain:

K=\frac{(0.034)^2}{(0.69)(0.98)}\\\\K=1.7x10^{-3}

Regards!

5 0
3 years ago
For neutral molecules, which statements about covalent lewis structures are true?
Zanzabum
Lewis structures have the distinct characteristic of electron dots drawn around an atom. They represent the valence electrons or the electron located at the outermost shell of the atom that takes part in chemical reactions. 

For neutral compounds, they simply add the valence electrons of the individual atoms. This is because it has no charge. Whatever the net charge of the compound is, that would be added, as well.

For example, the HCl atom's valence electrons would be 1 + 7 + 0 = 8. Therefore, you draw 8 electron dots around the HCl compound.
7 0
4 years ago
All the internal structures are suspended (floating) in what substance ?
dsp73
<span>cytoplasm would be the correct answer. you're welcome and i'm in the 6th grade i still know my stuff</span>
5 0
3 years ago
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