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Ronch [10]
3 years ago
14

Can someone explain subshell/electron configuration to me?

Physics
1 answer:
Anastasy [175]3 years ago
6 0
There are four layers of these electrons are, s, p, d, and f.

Each one has a certain number of shells, in different shapes, that can hold two electrons.

S- Has one shell, shaped like a circle, so in total can hold 2 electrons.

P- has three shells, shaped like an infinity symbol, so in total can hold 6 electrons

D- has five shells, shaped, err, dunno how to describe it, can hold 10 electrons.

F- has 7 shells, um, even more dunno how to describe it, can hold 14 electrons

There doesn't only have to be one of each shell though. There can be two S levels, and one P level, and no D or F levels.

(search up electron configuration it'll have a chart of the order in which these come in)

Each layer will be stated as Number layer electron number.

For example, the first layer of electron level would be 1, because it's the first layer, S, because that's what the first layer is, and if it was completely filled, 2.

So, 1s2.

If you were going to add another level, which would also be a S level, but it only has one electron, you would say:

2s1,

because it's the second s level and has one electron in it.

And to put the two together, just say:

1s2, 2s1

NOTE: if you were going to add another level, it would be a P level, but it wouldn't be 3p something, it would be 1p something because it is the first electron level.

Another note: if you have three layers of electrons, or just six electrons, you would just say 1p6. (because the P orbital can hold 6 electrons)

Hope this helped!
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Determine the current in the 7-ohm resistor for the circuit shown in the figure. Assume that the batteries are ideal and that al
seraphim [82]

Answer:

I₁ = 1.6 A (through 7 Ohm Resistor)

I₂ = 1.3 A (through 8 Ohm Resistor)

I₃ = I₁ - I₂ = 1.6 A - 1.3 A = 0.3 A (through 4 Ohm Resistor)

Explanation:

Here we consider two loops doe applying Kirchhoff's Voltage Law (KVL). The 1st loop is the left side one with a voltage source of 12 V and the 2nd Loop is the right side one with a voltage source of 9 V. We name the sources and resistor's as follows:

R₁ = 7 Ω

R₂ = 4 Ω

R₃ = 8 Ω

V₁ = 12 V

V₂ = 9 V

Now, we apply KVL to 1st Loop:

V₁ = I₁R₁ + (I₁ - I₂)R₂

12 = 7I₁ + (I₁ - I₂)(4)

12 = 7I₁ + 4I₁ - 4I₂

I₁ = (12 + 4 I₂)/11   ------------ equation (1)

Now, we apply KVL to 2nd Loop:

V₂ = (I₂ - I₁)R₂ + I₂R₃

9 = (I₂ - I₁)(4) + 8I₂

9 = 4I₂ - 4I₁ + 8I₂

9 = 12I₂ - 4I₁   -------------- equation (2)

using equation (1)

9 = 12I₂ - 4[(12 + 4 I₂)/11]

99 = 132 I₂ -  48 - 16 I₂

147 = 116 I₂

I₂ = 147/116

I₂ = 1.3 A

use this value in equation 2:

9 = 12(1.3 A) - 4I₁

4I₁ = 15.6 - 9

I₁ = 6.6 A/4

I₁ = 1.6 A

Hence, the currents through all resistors are:

<u>I₁ = 1.6 A (through 7 Ohm Resistor)</u>

<u>I₂ = 1.3 A (through 8 Ohm Resistor)</u>

<u>I₃ = I₁ - I₂ = 1.6 A - 1.3 A = 0.3 A (through 4 Ohm Resistor)</u>

4 0
3 years ago
Water on the kitchen floor at home is considered a safety hazard.
svp [43]
Yes it is, cause someone could slip and accidentally stab themselves
6 0
3 years ago
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Which type of wire would have the least resistance?
telo118 [61]
The answer is E. Short and thick while cold.
4 0
4 years ago
What are the Rules of magnetism
Keith_Richards [23]

all the allials must be aligned in the same direction

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3 0
3 years ago
A box slides down a ramp inclined at 24◦ to the horizontal with an acceleration of 1.7 m/s 2 . The acceleration of gravity is 9.
dsp73

Answer:

<h3>0.445</h3>

Explanation:

In friction, the coefficient of friction formula is expressed as;

\mu = \frac{F_f}{R}

Ff is the frictional force = Wsinθ

R is the reaction = Wcosθ

Substitute inti the equation;

\mu = \frac{Wsin \theta}{W cos\theta} \\\mu = \frac{sin \theta}{cos\theta} \\\mu = tan \theta

Given

θ = 24°

\mu = tan 24^0\\\mu = 0.445\\

Hence the coefficient of kinetic friction between the box and the ramp is 0.445

3 0
3 years ago
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