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liubo4ka [24]
4 years ago
15

Drag each tile to the correct location on the image.

Chemistry
2 answers:
makkiz [27]4 years ago
4 0

Answer:

This is the Order :)

For Plato

nikdorinn [45]4 years ago
3 0

Answer:

[He]: 2s² 2p⁵.

[Ne]: 3s².

[Ar]: 4s² 3d¹⁰ 4p².

[Kr]: 5s² 4d¹⁰ 5p⁵.

[Xe]: 6s² 4f¹⁴ 5d¹⁰ 6p².

Explanation:

  • Noble elements are used as blocks in writing the electronic configuration of other elements as they are stable elements.

  • [He]:

He contains 2 electrons fill 1s (1s²).

So, [He] can be written before the electronic configuration of 2s² 2p⁵.

  • [Ne]:

Ne contains 10 electrons fill (1s² 2s² 2p⁶).

So, [Ne] can be written before the electronic configuration of 3s².

  • [Ar]:

Ar contains 18 electrons is configured as ([Ne] 3s² 3p⁶).

So, [Ar] can be written before the electronic configuration of 4s² 3d¹⁰ 4p².

  • [Kr]:

Kr contains 36 electrons is configured as ([Ar] 4s² 3d¹⁰ 4p⁶).

So, [Kr] can be written before the electronic configuration of 5s² 4d¹⁰ 5p⁵.

  • [Xe]:

Xe contains 54 electrons is configured as ([Kr] 5s² 4d¹⁰ 5p⁶).

So, [Xe] can be written before the electronic configuration of 6s² 4f¹⁴ 5d¹⁰ 6p².

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Classify the following as a type of potential energy or kinetic energy (use the letters K or P)
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<span>1. Use these definitions:
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i) Kinetic energy (KE) is energy in action in virtue of the motion. KE = (1/2)mv². You can tell there is KE wthen the object is moving.
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<span>ii) Potential energy (PE) is a stored energy. You notice the PE once it is transformed into another form of energy, for example into kinetic energy or heat, or light. The maing forms of potential energy are gravitational potential energy (mgh), elastic potential energy (1/2)kx², and chemical potential energy.
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</span><span>2) Answers
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1. A bicyclist pedaling up a hill: K

In virtue of the motion (speed) the byciclist has kinetic energy. Neverthelles, the pedalyst also has potential energy, which you could notice if she stops pedaling, because then she would start to go down the hill without pedaling.


</span><span>2. An archer with his bow drawn : P
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The bow will have elastic potential energy in virtue of which the arrow will be throwm as soon as the archer release it.


3. A volleyball player spiking a ball K


</span><span>The ball will have kinetic energy in virtue of its speed </span>
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4. A baseball thrown to second base: K
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<span>The baseball will have kinetic energy in virtue of its speed.
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<span>5. The chemical bonds in sugar: P
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<span>The bonds have stored potential energy. This energy is named chemical energy. When the bonds break they release energy in the form of heat, light or sound.


6. The wind blowing over a tree: K
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<span>The wind is moving, so it has kinetic energy. You notice the energy of the wind because it is capable to move the leaves or even the same tree, The same happens when the wind moves the blades of a windmill.


7. Walking down the street: K
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<span>When you walk you are moving, so you have speed and that is kinetic energy.


8. Sitting at the top of a tree: P
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<span>Sitting on a high place gives you potential energy (mgh). You potentially can suffer an injure if you fall down. The potencial energy transforms into kinetic energy when you fall down.
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<span>9. A bowling ball rolling down the alley: K
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<span>The ball is rotating and translating. It has angular speed and traslational speed.Both are kinetic energies.


10. A bowling ball sitting on the rack: P
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<span>While the ball is on the rack, it has the possibility to fall down. The ball can fall off the rack and hit the floor or your foot. The stored (potential) energy can be transformed into kinetic energy.
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7 0
4 years ago
Josefina and Raul were comparing how sound moves through various mediums and how charge moves through conducting wires. They per
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They found that difference occurs in the speed of both sound and charges occur due to the difference in the type of medium.

Sound and charges needs specific medium for faster movement i.e. sound moves faster in solid as compared to liquid and gas whereas charges moves faster and easily in gold due to lower resistance which is followed by copper. Sound can move from solid, liquid and gases whereas charges move only in solid metal in which free electrons are present. The speed of sound and flow of current are affected due to difference in the arrangement of atoms in solid, liquid and gas.

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kykrilka [37]

Answer:

Density, d=24.68\ g/cm^3

Explanation:

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Mass of marble slab is 38.6 kg or 38600 g

The dimensions of the slab is 23 cm × 17 cm ×4 cm

We know that the density of an object is given in terms of its mass volume as follows :

d=\dfrac{\text{mass}}{\text{volume}}\\\\d=\dfrac{38600\ g}{1564\ cm^3}\\\\d=24.68\ g/cm^3

So, the density of the marble slab is 24.68\ g/cm^3

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