Within the core of the Sun, temperatures and pressures are high enough to fuse hydrogen atoms into helium, which is the Sun's main form of energy production. Assuming there was a slight mistake in where you have copied the results here the correct answer is the third option.
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I believe the most massive element that is naturally occurring on Earth is uranium (U), which has a nucleus of 92 protons
Unit conversion is a multi-step process, in which division or multiplication by a numeral factor is involved.
Density =
(given)
Since,
and

Now, converting
to
:

=
.
Hence, density is
.
<u>Answer:</u>
The correct answer option is a) collisions between the particles and surrounding molecules.
<u>Explanation:</u>
The collisions between the particles and surrounding molecules causes the Brownian motion of particles in a colloid.
Brownian motion is the irregular movement of the microscopic particles in a fluid which bombard into each other.
It basically is the result of the molecules of a dispersion medium colliding with the dispersed particles of the phase.