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astraxan [27]
3 years ago
7

How many electrons does nitrogen (N) need to gain to have a stable outer electron shell? 1 2 3 4

Physics
2 answers:
8090 [49]3 years ago
6 0
Nitrogen has an outer shell with 5 electrons it needs 3 to make 8 and be stable
Anna11 [10]3 years ago
6 0

Answer:

i think its 3

Explanation:

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A force F→=(cx-3.00x2)iˆ acts on a particle as the particle moves along an x axis, with F→ in newtons, x in meters, and c a cons
DerKrebs [107]

Answer:

Explanation:

Work done = ∫Fdx

= ∫(cx-3.00x²)   dx

[ c x² / 2 - 3 x³ / 3 ]₀²

= change in kinetic energy

= 11-20

= - 9 J

[ c x² / 2 -  x³   ]₀² = - 9

c x 2² / 2 - 2³ = -9

2c - 8 = -9

2c = -1

c = - 1/2

6 0
4 years ago
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Light from a laser strikes a diffraction grating that has 5500 lines per centimeter. The central and first-order maxima are sepa
WINSTONCH [101]

.Answer:

491.4 nm

Explanation:

The distance between central and first maxima is,

y=0.455m

And the distance between screen abnd grating is,

L=1.62 m

Now the angle can be find as,

tan\theta=\frac{y}{L} \\\theta=tan^{-1}(\frac{0.455}{1.62})  \\\theta=15.68^{\circ}

Now the grating distance is,

d=\frac{1}{5500} cm\\d=1.82\times 10^{-6}m

Now with m=1 condition will become,

\lambda=dsin\theta

So,

\lambda=1.82\times 10^{-6}m\times sin(15.68^{\circ})\\\lambda=1.82\times 10^{-6}m\times 0.270\\\lambda=491.4\times 10^{-9}m\\\lambda=491.4 nm

Therefore the wavelength of laser light is 491.4 nm.

3 0
3 years ago
Large waves produced by earthquakes
galina1969 [7]

Answer:

A

Explanation:

If the earthquake occus in the ocean, it can push up powergul waves.

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9) This is an attractive force between any two objects due to mass.
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I believe the answer is gravitational force
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