A model of an atom is useful when itSelect one:
O a. is shown only as the planetary model
b. shows exactly what an atom looks like
c. helps to visualize processes that cannot be seen with our eyes
d. magnifies what the eye can't see

Answers

Answer 1

Answer: the correct answer is letter C

Answer 2

Answer: Answer: C. Helps to visualize processes that cannot be seen with our eyes

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The amount of mass an object has per its volume is known as ___________. Select one of the options below as your answer:a. pressure b. weight c. density
When a potassium atom forms an ion, it loses one electron. What is the electrical charge of the potassium ion? A. -1 B. -2 C. +1 D. +2

If potential energy is at point A is 12 joules, what is the potential energy at B ?

Answers

Answer:

incomplete information

Explanation:

Where is diagram? no point A and point B given

What element has 7 neutrons, 7 protons and 7 electrons??

Answers

A nitrogen atom contains 7 protons, 7 electrons and 7 neutrons.

What are Electrons, protons and Neutrons?

Electrons are defined as subatomic particles with a negative elementary electric charge that belong to the first generation of the lepton particle family, and are considered elementary particles because they have no known constituents or substructures.

A proton is defined as a stable subatomic particle, symbol p, H⁺, or ¹H⁺, having a positive electric charge of +1 e elementary charge, with a mass slightly less than that of a neutron and the mass of an electron is 1,836 times.

A neutron is defined as a subatomic particle found in the nucleus of every atom except simple hydrogen, where the particle derives its name from the fact that it has no electric charge as it is neutral. Neutrons are very dense. Atoms contains same number of protons, electrons and neutrons like in nitrogen.

Thus, a nitrogen atom contains 7 protons, 7 electrons and 7 neutrons.

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The answer is nitrogen.

The ________________ is the measure of how far the pendulum is offset (or pulled back) from a vertical position when it is released.A. Period
B.Amplitude
C. Pivot
D. Bob

Answers

B. Amplitude

It is the maximum distance from the equilibrium point of the pendulum.

Two or more waves combining to produce a wave with a smaller displacement is called _____. A. constructive diffraction

B. constructive interference

C. destructive interference

D. destructive diffraction

Answers

Two or more waves combining to produce a wave with a smaller displacement is called destructive interference .

What is the definition of destructive interference?

Destructive interference happens when the maxima of two waves are 180° out of phase a positive displacement of one wave is canceled exactly by a negative displacement of the other wave.

The formula for brighter patches resulting from constructive interference and darker patches resulting from destructive interference in a diffraction grating is:

$\rm d sin \theta = n \lambda$

Two or more waves combining to produce a wave with a smaller displacement is called destructive interference .

Hence, option C is correct.

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destructive interference occurs when two or more waves combine to make a wave with a smaller amplitude C is your answer my friend :)

Why did pangea break up ?

Answers

Because the gravitational pull from the ocean i believe

Pangea was fully assembled by the Early Permian Period, some 270 million years ago. It began to break apart about 200 million years ago, during the Early Jurassic Period, eventually forming the modern continents and the Atlantic and Indian Oceans.

Wh does a soccer ball that is quickly rolling across a grass field slow and finally stops rolling