A hydrogen atom has one proton, two neutrons, and no electrons. Is this atom neutrally charged? Explainyour answer.

Answers

Answer 1

Answer:

It is an ion.

What is hydrogen atom?

A hydrogen atom is an atom of the chemical element hydrogen.

The electrically neutral atom contains a single positively charged proton and a single negatively charged electron bound to the nucleus by the Coulomb force.

An atom is a neutral species.

Hence, it must have same number of electrons and protons. On other hand, ions have charge.

So, the number of protons and electrons are not same.

According to the question,

Hydrogen has one proton, two neutrons, and no electrons.

This signifies that overall charge of species is +1.

Hence, it is an ion.

Learn more about hydrogen atom here:

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Answer 2

Answer: Even if it isn't a hydrogen atom, it would be positive because the proton is positively charged and then there are no other charges, so it's positive.

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Which of the following is a result of reduced levels of red blood cells and elevated levels of white blood cells in the body?

Answers

There are no following but less red blood cells would make you tired because you can carry as much oxygen and more white blood cells could cause infection if the start attacking you. It could also give you bone marrow cancer if there are too many white blood cells.

1. When a motor is turned on, electrical energy is transformed to mechanical energy plus heat energy.True or False

2. The outward evidence for this transformation can be seen only in the mechanical motion of the motor.
True or False

3. What is true of the efficiency of this motor?
a. it is more than 100% efficient
b. it is 100% efficient
c. it is less than 100% efficient
d. none of the above

Answers

1.) The statement is true!... heat energy is also generated due to the presence of resistance in motor. Heat generated is given by, H=i²Rt( i = current, R is the resistance of the conductor and t is time). 2.) This statement is false because transformation takes place in electrical motor too due to presence of resistance. 3.) c. it is less than 100% efficient.

Answer:

1. True

2. False

3. c. it is less than 100% efficient

Consider a single slit that produces a first-order minimum at 16.5° when illuminated with monochromatic light. show answer No Attempt 50% Part (a) At what angle, in degrees, is the second-order minimum?

Answers

Answer:

$\theta_2 = 34.61^0$

Explanation:

Path difference for the destructive interference of a single slit:

$D sin \theta = n \lambda$

For the first - order minimum, n = 1, and $\theta = \theta_1$

$D sin \theta_1 = \lambda$ .........(1)

For the second - order minimum, n = 2, and $\theta = \theta_2$

$D sin \theta_2 = 2 \lambda$ .........(2)

Dividing equation (2) by equation (1):

$(D sin \theta_2)/(Dsin \theta_1) = (2 \lambda)/(\lambda) \n( sin \theta_2)/(sin \theta_1) = 2 \n\theta_1 = 16.5^0\n( sin \theta_2)/(sin 16.5) = 2\nsin \theta_2 = 2 sin 16.5\nsin \theta_2 = 0.568\n\theta_2 = sin^(-1) 0.568\n\theta_2 = 34.61^0$

By adding mass to the car, will we increase the average speed of the car?

Answers

50 miles is the speed

BRAINLIEST WILL BE GIVEN

Answers

Answer:

Mac’s Speed = 2.5 m/s

Tosh’s Speed = 4 m/s

Tosh moves 1.5 m/s faster than Mac.

Explanation:

Tosh starts from an initial position of 12m and in a span of 3 seconds, (1.00 seconds to 4.00 seconds) he moves 12 meters.

So his speed is distance / time

s = 12 / 3

s = 4 m/s

Mac starts from an initial position of 2m and in a span of 4 seconds, he traveled 10m (2.00m to 12.00m).

Speed = Distance / time

s = 10 / 4

s = 2.5 m/s

The portion of a light ray that falls on a surface is a/an A. reflected ray.
B. diffuse reflection.
C. specular reflection.
D. incident ray.

Answers

So we want to know what is a light ray that falls on a surface. The incident ray that fallls on a surface can then fe reflected, refracted or transmitted. The angle in which the incident ray is must be the same as the angle of a refracted light ray. So the correct answer is D.

d. incident ray, i just took the test yesterday

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Who is gonna win the super bowl patriots or Seahawks

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