FALSE
In the currently accepted atomic model, an electron orbits around the nucleus is NOT in a clear, defined path.
Explanation:
According to modern atomic models, like the Bohr theory, it is difficult to know the exact location and path of an electron around the nucleus. This is partly because the mere act of observing the electrons changes its position. This is because the electrons have negligible mass and therefore ‘hitting’ them with any form of radiation for ‘illumination’ changes its position, behavior, and properties. In addition, the movement of electrons is very rapid such that by the time one observes the instantaneous location of an electron, if it was possible, it will have changed its position.
Therefore modern theories, such as VSPER, model atoms based on properties of where an electron will highly likely be found. This is how the shells and subshells of electrons (s, p, d, f) are modeled.
Learn More:
For more on modern theories of the atom check out;
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The viscosity of magma is determined by its silica content.
Basalt magma, on the one hand, which is often
of low viscosity, has a low silica content of approximately 50% or less. Rhyolite magma, on the other hand, has high viscosity due to the high silica content of
approximately 70% and more.
Gas content and temperatures of the magma are the other factors
that determine an explosive or
nonexplosive eruption. High temperatures
and high gas content (coupled with high viscosity)
cause violent explosions.
Point mutations are the substitution of a single nucleotide, which creates a different codon and therefore a different amino acid. the incorporation of a different amino acid in the protein can completely disrupt the normal function of proteins.
The answer is C) The death rate begins to fall, but the birth rates remain high for a time. No countries in the world are currently in Stage 1 or demographic transition. However, many are in stage 2, which is why many governments are concerned about overpopulation.
A. That’s true
Because the matter of biology is about everything that alive and human alive too so if we learn biology that will help us to know more about our bodies
