Draw an atomic model from1 to 20 elements with their symbol valency and electronic configuration

Chemistry

1 answer:

ale4655 [162]3 years ago

3 0

Answer:

MARK AS THE BRAINLIEST ANSWER

Explanation:

BRAINLIEST

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What do Potassium and Krypton have in common and what are their differences based on their location on the periodic table?

andreev551 [17]

Common based on their location in Periodic Table;

Potassium has an atomic number 19. Its electronic configuration is as follow;

1s², 2s², 2p⁶, 3s², 3p⁶, 4s¹

And Krypton has an atomic number of 36. Its electronic configuration is as follow;

1s², 2s², 2p⁶, 3s², 3p⁶, 4s², 3d¹⁰, 4p⁶

It is concluded that both Potassium and Krypton has their valence electrons in 4rth shell or they have same Principle Quantum Number.

Difference based on their location in Periodic Table;

As observed in electronic configuration Potassium has one valence electron in its valence shell (i.e. 4s¹) while, Krypton has eight valence electrons in its valence shell (i.e. 4s², 4p⁶). Therefore, they are different in the number of valence electrons.

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3 years ago

Which layer of the atmosphere contains a substance that was created from a product of living things and that protects living thi

aev [14]

<h2>Answer : Option B) Ozone</h2><h3>Explanation :</h3>

The layer of atmosphere which contains a substance(Ozone) that was created from a product of living thins (oxygen) and protects living things (from harmful UV rays).

Oxygen in the atmosphere reacts in presence of UV rays and forms Ozone.

This ozone forms a protective layer around the earth and protects it from harmful UV rays.

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If I have a 50.0 liter container that holds 45 moles of gas at a

Darina [25.2K]

V= 50. L n=45 mol T= 200°C = 473k P=?

CP)X 50.L)= (45 mol)(0.0821 light_kimol)(473k)

P = 30am or 4000 kPa

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3 years ago

Convert the following to grams, <br> a. 0.100 moles of CO2

Svetlanka [38]

.100 mol CO2 x $\frac{44.01 g}{1 mol}$
using the values of the periodic you first add the masses of C (12.01g) and O (there are two so it'll be 32.00g). That value will give the mass of 1mole of CO2.

I hate to do this, but
https://youtu.be/Pft2CASl0M0 is a link to a mr andersen video. I dislike watching these cause this is what my teacher uses instead of actually having to teach herself.

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2 years ago

Does a human body use neon???

Anastaziya [24]

<span>No uses regarding the human body; it's a noble gas and does not react with anything.</span>

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3 years ago

Draw an atomic model from1 to 20 elements with their symbol valency and electronic configuration​

Draw an atomic model from1 to 20 elements with their symbol valency and electronic configuration