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Luba_88 [7]
4 years ago
10

How many electrons are depicted in the electron dot diagram of an electrically neutral nitrogen atom? A. two B. six C. eight D.

five
Physics
2 answers:
ella [17]4 years ago
8 0
The amount of electron that are depicted in the electron dot diagram of an electrically neutral nitrogen atom is : D. Five
In ELectron dot diagram, the one that being showed is only the outer energy level

Hope this helps
goldenfox [79]4 years ago
4 0

Answer is D - five.


<em>Explanation;</em>


- Electron dot diagrams show the valence electrons around the element by using dots.


- Valence electrons are the electrons which are in outermost shell of the atom.


-The atomic number of the N atom is 7.

      Atomic number = number of protons = 7

  If the atom is neutral,

      number of protons = number of electrons.


  Hence, N atom has 7 electrons.


- The electron configuration is 1s² 2s² 2p³.


Hence, N atom has 2 + 3 = 5 valence electrons. So, five electrons are represented in electron dot diagram of N.

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which of the following statements is correct when describing the forces at work on a bridge a. wires are in tension B. large pos
stiv31 [10]

Answer:

All the statements are true

Explanation:

A) Wires are in tension.

It is true because the loads exerted on the bridge are taken by each of the cables of the bridge. these cables transmit the force to the pillars or columns of the bridge. (check the image 01)

B) Large posts are in compression.

It is true each of the loads of the cables is tension, are transmitted to the columns of the bridge, in this way the balance will be maintained (check the image 01)

C) The bridge deck is both in tension and compression.

Yes it is true, the superior part of the deck will be in compression and the inferior part will be in tension, this can be seen in the image 02

8 0
3 years ago
. In a physics lab, you attach a 0.200-kg air-track glider to the end of an ideal spring of negligible mass and start it oscilla
cluponka [151]

Answer:

Spring constant, k = 1.16 N/m

Explanation:

It is given that,

Mass of the air track, m = 0.2 kg

Time, t = 2.6 s

Let T is the time period of the spring. The expression for the time and spring constant is given by :

T=2\pi \sqrt{\dfrac{m}{k}}

k=\dfrac{4\pi^2m}{T^2}

k=\dfrac{4\pi^2\times 0.2}{(2.6)^2}

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Triss [41]

Answer:

24 miles.

Explanation:

3 hours=180 minutes

180÷30=6

6x4=24

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Answer:

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Explanation:

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