Chapter 5
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How many electrons fill shell number 1?
2
How many electrons fill shell number 2?
8
How many electrons fill shell number 3?
18
How many electrons fill shell number 4?
32
What are shells regarded as?
energy levels
As the shell number increases, does energy increase or decrease?
increase
What is the principal quantum number, n?
shell number/energy level number
number of electrons =
2n²
What are shells made up of?
atomic orbitals
What is an atomic orbital?
1) region around the nucleus that can hold up to two electrons, with opposite spins 2) region in space where there is a high probability of finding an electron
What are the different types of orbitals?
1) s 2) p 3) d 4) f
Do each type of orbitals have the same or different shape?
different
In a s-orbital what shape is the electron cloud?
sphere
How many s-orbitals does each shell from n=1 contain?
1
In a s-orbital, the greater the shell number n, the…
greater the radius
In a p-orbital what shape is the electron cloud?
dumb-bell
How many electrons can an orbital hold?
1 or 2
How many p-orbitals does each shell from n=1 contain?
3
What angle are p-orbitals to one another?
right angles
With a p-orbital, the greater the shell number n, the…
further the o-orbital is from the nucleus
How many d-orbitals does each shell from n=1 contain?
5
How many f-orbitals does each shell from n=1 contain?
7
What charge do electrons have?
negative
Do electrons attract or repel each other?
repel