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What else can I help you with?
Ptolemy modified Aristotle's model of the universe to include?
Aristotle's model of the solar system was geocentric, meaning that everything in the solar system revolved around Earth. Ptolemy added in the way the planetary bodies moved, although they still moved geocentrically.
How does the Bohr model and the quantum mechanical model differ?
The Bohr model of the atom describes the electrons as orbiting the nucleus in a stable circular path. The quantum mechanical model describes a probability cloud for the electron's position with respect to the nucleus, the shape of the cloud, any special orientations and the spin of the electron.
Potential energy of orbitting electron in an atom is?
The potential energy of an electron orbitting in an atom can be approximated by the coulomb potential V(r) = - e2/(4*pi*epsilon0 *r) Where r is the distance of the lectron from the nucleus. This approximation is for atoms with just 1 electron and 1 proton (i.e Hydrogen) For other atoms it is a bit more complicated but this can still be used as a rough approximation. This is from the bohr model of the atom I think
Do we still believe Kepler's laws of planetary motion?
YES
The greatest inaccuracy in Copernicus' model of the solar system was that the planets?
The greatest inaccuracy in Copernicus' model of the solar system was that he still believed that planets moved in perfect circles, when in fact they move in ellipses. This led to inaccuracies in predicting planetary positions.
Who was the last person the orbit earth?
There are still people orbiting earth
Did Pluto turn into pieces?
No, Pluto is whole and still orbiting the sun.
Bohr's planetary model?
Electrons (negative charge) orbit the nucleus (positive charge) like planets round the sun. The source of attraction is electrostatic rather than gravitational, but still inverse-square law.
What did the Helios 1 space probe do?
they are still out there orbiting the sun. they no longer function
Do we use Kepler's Model in modern astronomy?
Yes, Kepler's laws of planetary motion are still used in modern astronomy to describe the motion of planets and other celestial bodies in our solar system. Kepler's model provides a foundation for understanding orbits and predicting the positions of planets accurately.
Why the existence of neutron is necessary inside the nucleus of an atom?
We don't know yet. Science is still looking for answers. All we do know is that it isn't necessarily important. Hydrogen's most common isotope contains no neutrons: only 1 proton and 1 orbiting electron.
How do the Bohr model electron cloud model and Dalton's model relate to each other?
Dalton didn't really know (or much care) anything about atomic structure; as far as he was concerned, they were basically little indivisible blobs with hooks or something on them that allowed them to attach to each other.The Bohr model pictured atoms as effectively little "solar systems" with the electrons orbiting the nucleus. This is essentially how most people who aren't chemists or physicists still think of atoms, though it's wrong.The electron cloud model pictures electrons as being ... somewhere ... in a sort of "cloud" around the nucleus. Some locations are more likely than others; this is represented by the "cloud" being denser in these regions.You're kind of on your own as far as determining how these "relate" to each other, since I'm not even entirely sure what that's supposed to mean.
