1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Kaylis [27]
2 years ago
9

"Which of the following is true about the atom shown? Choose all that apply.

Physics
2 answers:
aalyn [17]2 years ago
8 0
Option B & Option D is your correct answers.

'cause here, atom has eight electrons in it's valence shell, so it means it has stable structure which falls in group 18

Hope this helps!
Lapatulllka [165]2 years ago
7 0

Explanation:

The given atom contains in total 18 electrons as electronic distribution is 2, 8 here. Therefore, it means that this atom belongs to group 18.

Since, the outermost shell of this atom has 8 electrons which means that it is a stable atom as it neither needs gain or lose electrons.

Hence, this atom will be unreactive in nature.

Thus, we can conclude that it is true about the atom shown that:

  • It is stable.
  • It belongs to Group 18.

You might be interested in
How much work must be done in the car to slow it from 100km/h to 50km/h
Brilliant_brown [7]

Answer:

-96.465m joule

Explanation:

Let m = mass of the car and v1 = initial velocity and v2 = final velocity

Given.

Initial velocity = 100 km/h

final velocity = 50 km/h

What is work done in the car to slow it from 100km/h to 50km/h?

v1=100km/h=27.78m/s

v2=50km/h=13.89m/s

The work done in the car to slow it from v1 to v2.

w=Δk

w=k2-k1

w= \frac{1}{2}m(v2)^{2}- \frac{1}{2}m(v1)^{2}

w=\frac{1}{2} m(v2-v1)^{2}

w=\frac{1}{2}\times m(13.89 -27.78)^{2}

w=\frac{1}{2}\times m(-13.89)^{2}

w=\frac{1}{2}\times m\times (-192.93)

w=-96.465m joule.

Therefore, the work done is -96.465m joule

7 0
2 years ago
A girl pushes on a table with a 5-newton force directed to the east. Her friend pushes on the same table with a 10- newton force
nalin [4]

Think like this: 10 is twice as much as 5.

Answer A pushes 2 squares east and 4 squares sout, being doubled just as 10 is to 5. Happy to help :)

4 0
2 years ago
Read 2 more answers
The opening to the windpipe is called the _____.
Nina [5.8K]
Glottis is the organ that is considered to be the opening to the windpipe. It consists of vocal chords wherein voice modulation usually takes place. The production of the sounds of the organ can be mainly attributed to the "buzzing" vibration inside the vocal chords wherein they vibrate.
3 0
2 years ago
Read 2 more answers
What is a type of material that tries to prevent the flow of thermal energy?
Citrus2011 [14]
A type of material that tries to prevent the flow of thermal energy is called an insulator.
4 0
3 years ago
Using a scale diagram, calculate the resultant force acting on a sailing boat when an easterly wind provides 2, point, 50, k, N,
EastWind [94]

Answer:

F = 3.6 kN, direction is 9.6º to the North - East

Explanation:

The force is a vector, so one method to find the solution is to work with the components of the vector as scalars and then construct the resulting vector.

Let's use trigonometry to find the component of the forces, let's use a reference frame where the x-axis coincides with the East and the y-axis coincides with the North.

Wind

X axis

          F₁ = 2.50 kN

Tide

         cos 30 = F₂ₓ / F₂

         sin 30 = F_{2y} / F₂

          F₂ₓ = F₂ cos 30

         F_{2y} = F₂ sin 30

         F₂ₓ = 1.20cos 30 = 1.039 kN

         F_{2y} = 1.20 sin 30 = 0.600 kN

the resultant force is

X axis

        Fₓ = F₁ₓ + F₂ₓ

        Fₓ = 2.50 +1.039

        Fₓ = 3,539 kN

        F_y = F_{2y}

        F_y = 0.600

to find the vector we use the Pythagorean theorem

         F = \sqrt{F_x^2 +F_y^2}

         F = \sqrt{ 3.539^2 + 0.600^2 }

         F = 3,589 kN

the address is

         tan θ = F_y / Fₓ

         θ = tan⁻¹ \frac{F_y}{F_x}

         θ = tan⁻¹  \frac{0.6}{3.539}0.6 / 3.539

         θ = 9.6º

the resultant force to two significant figures is

         F = 3.6 kN

the direction is 9.6º to the North - East

7 0
2 years ago
Other questions:
  • Which of the following equations describe the 2nd law of motion?
    12·2 answers
  • Calculate the kinetic energy of a 1500 kg car moving at 42 km/hr.
    5·1 answer
  • (1 point) A horizontal clothesline is tied between 2 poles, 20 meters apart. When a mass of 5 kilograms is tied to the middle of
    15·1 answer
  • A small cylinder rests on a circular turntable that is rotating clockwise at a constant speed. Which set of vectors gives the di
    9·1 answer
  • You arrive in my class 45 seconds after leaving math which is 85 meters away. How fast did you travel?
    13·1 answer
  • What are 20 examples of energy transformation?
    5·1 answer
  • Describe how the potential energy changes
    8·2 answers
  • Calculate equivalent resistance in the following between points P and Q​
    12·2 answers
  • Một electron di chuyển theo đường tròn vuông góc với từ trường đều 1mT. Moment động lượng của electron đối với tâm vòng tròn là
    9·1 answer
  • Jenna flips a 10p coin four times. Here are her results:
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!