Each compound that has at least one element from group 17 is called a _____

Physics

1 answer:

-BARSIC- [3]4 years ago

6 0

I'm pretty sure the answer is a halide. If I'm wrong please let me know. I hope this helps :)

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Which of the following is a true statement? A. Electromagnetic waves consist of only changing electric fields. B. Electromagneti

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C. Electromagnetic waves don't always need a medium to travel. Note that they do vary in wavelength and frequency however their speed is fixed. Also, EM waves are always transverse and they consist of vibrating electric and magnetic fields.

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Consider an electron within the 1s orbital of a hydrogen atom. the normalized probability of finding the electron within a spher

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Thank you for posting your question here at brainly. I think your question is incomplete. Below is the complete question, it can be found elsewhere:

What is the probability of finding an electron within one Bohr radius of the nucleus?Consider an electron within the 1s orbital of a hydrogen atom. The normalized probability of finding the electron within a sphere of a radius R centered at the nucleus is given by 1-a0^2[a0^2-e^(-2R/a0)(a0^2+2a0R+2R2)]. Where a0 is the Bohr radius (for a hydrogen atom, a0 = 0.529 Å.). What is the probability of finding an electron within one Bohr radius of the nucleus? What is the probability of finding an electron of the hydrogen atom within a 2.30a0 radius of the hydrogen nucleus?

Below is the answer:

you plug the values for A0 and R into your formula

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3 years ago

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What is the weight of an object that has a mass of 40kg

Nina [5.8K]

Answer:

The mass of the object would be 392. i hope this helps :)

Explanation:

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How many arrows of force would be needed in a free body diagram of a rocket taking off from the moon? Ignore any solar system ob

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When rocket is launched from the moon then there will be two forces on the rocket

1. Due to ejected gases the reaction force on rocket in forward direction

2. due to gravitational attraction of moon

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Which mean if we make the normal force to be zero then crate will lift upwards and in order to make it zero we need to apply same force as that of normal force

So here the normal force is given as 150 N so we also need to apply 150 N force in order to lift it upwards

If a person lift a box upwards by some force then we can say by force balance

Force applied by person + Normal force = Weight of the box

$F_{app} + F_n = mg$