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Zarrin [17]
2 years ago
13

An isotope contains 47 protons, 47 electrons, and 60 neutrons. What is the identity of the isotope?

Chemistry
2 answers:
erastovalidia [21]2 years ago
7 0

Answer:

To find the identity of the isotope we must first calculate the mass number

Mass number (M) = A + Z

Where

A is the atomic number

Z is the neutron number

A = 47

Z = 60

M = 60 + 47 = 107

From the options above

The answer is option A

Hope this helps you

Kazeer [188]2 years ago
7 0
ionic compound (NH4)2SO4. b. Explain why it cannot be molecular by referring to the Lewis diagrams you drew above as well as the octet rule.
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If a proton and an electron are released when they are 5.50×10−10 mm apart (typical atomic distances), find the initial accelera
Vlada [557]

Answer: The initial acceleration of the proton = (4.56 × 10^23) m/s2

The initial acceleration of the electron = (8.36 × 10^26) m/s2

Explanation: The force of attraction between the proton and electron can be computed using the statements of Coulomb's law which state that the force of attraction between two charged particles is directly proportional to the product of the two charges and inversely proportional to the square of their distances apart.

F = (Kq1q2)/(r^2) where K = (9 × (10^9) Nm(C^-2))

But q1 is the charge on a proton = (1.6 × (10^-19)) C

q2 is charge on an electron = -(1.6 × (10^-19)) C

r = (5.50 × (10^-10))mm = (5.50 × (10^-13))m

Computing all that, F = 0.0007616529 N = (7.62 × 10^-4) N

But the force of attraction is converted to that required for motion when they're released.

F = ma.

For proton, m = (1.67 × 10^-27) kg

a = F/m = 0.000762/(1.67 × 10^-27) = (4.56 × 10^23) m/s2

For electron, m = (9.11 × 10^-31) kg

a = F/m = 0.000762/(9.11 × 10^-31) = (8.36 × 10^26) m/s2

QED!

7 0
2 years ago
A solid forms when the average energy of a substance's particles
Dahasolnce [82]
<span>Matter is composed of particles that have kinetic energy. Particles with greater kinetic energy tend form liquids or gases due to increased rates of activity of the particles. Particles with lower energy tend to form solids. So, a solid forms when the average energy of a substance's particles decreases.</span>
4 0
3 years ago
Help pls again HAHAHAH
Alenkasestr [34]

<u><em>I believe the answer you are looking for is position 4 </em></u>, because the northern face of the hemisphere is facing away from the sun not getting

to much heat nor daylight therefore its cold making it winter fully in option 4.

Just a tip option 3 looks like its facing back but half of it is still shown to the sun.

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2 years ago
in witch chamber does each state have the same number of votes, no matter how large or small its population?
ivolga24 [154]

The senate only allows two senates from each state.

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3 years ago
A formula unit made with Na and unknown nonmetal "Z" has the formula, NaZ. Which element does "Z" represent?
vovangra [49]
The answer is chloride ig ‍♀️
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