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Ira Lisetskai [31]
4 years ago
9

Compared to the atomic radius of a sodium atom, the atomic radius of a potassium atom is larger. The larger radius is primarily

a result of the potassium atom having:______________.
Chemistry
1 answer:
wlad13 [49]4 years ago
8 0

Answer:

an Additional shell

Explanation:

Potassium has an additional energy level when compared to sodium. This is due to an extra shell added. In the periodic table when you go down the group, the atomic radius increases due to increasing energy levels.

The atomic radius mean the distance from the center of the nucleus to the valance shell. it actually describes the size of the atom

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A car at rest ends accelerates for 12 seconds. After this time the car is going 36 m/s. What was its acceleration?
Zigmanuir [339]

Acceleration is defined as velocity per unit time.

Acceleration=\frac{Velocity}{time}

a=\frac{dv}{dt}

Here, a=acceleartion,

v=velocity=36 m/s

t=time=12 s

a=\frac{dv}{dt}

a=\frac{36}{12}

a=3 ms⁻²

A car at rest ends accelerates for 12 seconds. After this time the car is going 36 m/s. So acceleration that is a=3 ms⁻².


4 0
3 years ago
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Draw the structure of (z)-3-bromo-6-methyl-2-heptene. be sure the stereochemistry is drawn clearly.
Anna007 [38]

Explanation: In IUPAC, E-Z convention is given for describing the cis - trans notation to the isomers. According to CIP rule, the groups on the doubly bonded carbon atoms are given priorities based on the the atomic masses of first connected atom.

If the highest priority groups are on the same side, it is known as Z-form and if the highest priority groups are on opposite side, it is known as E-form.

We are given (Z)-3-bromo-6-methyl-2-heptene, in this the highest priority groups are bromine on one side and methyl- group on another side.

The structure is provided in the image below.

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3 years ago
Which of the following statements best describes a
lesya692 [45]
The last one. A mixture isn’t chemically combined.
6 0
4 years ago
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Energy is just like any other chemical or physical process, where it cannot be created or destroyed. Which Law states this fact?
Ganezh [65]

Answer:

Law of Conservation of Energy

Explanation:

5 0
4 years ago
Someone please help!!!!
Blababa [14]
I'm not 100% sure on this one, but I think it's C. 

Sorry, I'm not really good with Chemistry.


Hope this helps :)
8 0
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