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fredd [130]
3 years ago
8

Which best describes a radioactive isitope

Physics
1 answer:
tatyana61 [14]3 years ago
5 0

Answer:

The atoms that contain an unstable combination of neutrons and protons, or excess energy in their nucleus

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Why is the nucleus of an atom dense​
Inessa [10]

Explanation:

The nucleus of an atom is dense because it contains more of particles in a very little space.

The nucleus is the center of an atom made up of the protons and neutrons.

Atomic nucleus is very small compared to the size of the atom.

 Density is function of mass and volume.

Mass is the amount of matter in a substance.

Volume is the space occupied by a substance.

    The more the mass the more the density.

Since protons and neutron are massive bodies occupying a small space, they make the nucleus very dense.

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3 years ago
Why does the frequency of water increase as the wavelength decreases?
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Wave speed, frequency and wavelength in refraction

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The diagram shows that as a wave travels into a denser medium, such as water, it slows down and the wavelength decreases. Although the wave slows down, its frequency remains the same, due to the fact that its wavelength is shorter. Hope this helps :>

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A cheetah accelerates from rest to 30m/s in 3 seconds. Calculate the acceleration of the cheetah.
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PLEASE HURRY HELP ME take 40 point please help me now.Just look The picture​
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ion channel

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Electromagnetic radiation is:
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