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What is the electron arrangement for silicon?

how do you draw an electron dot diagram for silicon


What is the electron configuration of calcium in terms of s p and d orbitals?

The electron configuration of calcium is [Ar] 4s2, which means it has 2 electrons in the 4s orbital. Calcium does not have any electrons in the d orbital, as it fills the 4s orbital before moving on to the 3d orbital.


Describe the shape of the s orbital and p orbital.?

In isolation, there are 3 that look a bit like four balloons tied together at the tied-ends, each in different orientations and one that looks like two balloons tied together with a doughnut around the tied ends. Combining these make shapes as you would expect the analogy above to make.


The quantum mechanical model of the atom?

"The quantum mechanical model of the atom" is a pretty vague phrase, but basically it can be thought of as the set of solutions to the Schroedinger equation HΨ = EΨ . (Yeah, that looks like the world's stupidest equation with solution H = E, but what's important to understand is that H isn't a variable or number, it's an operator. That means we don't get a single E for all Ψ, we get a collection of Es each corresponding to a different function Ψ.)


What are the S orbital and p orbital?

Atoms used to be thought to look like little solar systems. Now they are thought to be nesting shells of probability density functions known as orbitals. The S1 and P1 orbitals are the first two filled with other S and P orbitals following along with the various D and F orbitals. The S orbitals are essentially spheres with the P orbitals looking like infinity signs.Aside: A probability density function maps out where the electron is most likely to be in relation to the nucleus of the atom - not that it is there, just likely to be.