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viktelen [127]
2 years ago
7

Identify the isotope that has atoms with 117 neutrons 77 protons and 77 electrons

Physics
2 answers:
mestny [16]2 years ago
5 0

(Ir-194 ) would be your answer.

                             Have a good day!


Damm [24]2 years ago
5 0

Explanation:

An isotope is defined as the specie which contains same number of protons but different number of neutrons.  

Also, it is known that atomic number is the sum of only total number of protons present in an element. Whereas mass number is the sum of total number of both protons and neutrons present in an element.

Hence, atomic mass of the given atom will be as follows.

              Atomic mass = no. of protons + no. of neutrons

                                     = 77 + 117

                                     = 194

According to the periodic table, platinum is the atom with atomic number 194.

Hence, we can conclude that isotope that has atoms with 117 neutrons 77 protons and 77 electrons is ^{194}_{77}Pt.

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igor_vitrenko [27]

A lady bug moves 10 cm forward and 5 cm backwards

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v = 0.75 cm/s

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5 0
2 years ago
The burning of fossil fuels contributes to the addition of greenhouse gases to the atmosphere. These gases trap thermal energy i
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B. there would be a global rise in temperatures

Hence, global warming

Explanation:

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2 years ago
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2 years ago
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A police siren of frequency fsiren is attached to a vibrating platform. The platform and siren oscillate up and down in simple h
babunello [35]

Answer:

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Explanation:

This is a doppler effect exercise, where the sound source is moving

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8 0
2 years ago
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Answer:

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From the question;

  • Mass of the drum is 10 kg
  • The length of inclined surface, OA is 5 m
  • The final height of the drum on the plane AB is 3 m

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2 years ago
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