Chemistry- chap 4 and 5
How many s orbitals can there be in an energy level
1
Which is the lowest energy level that can have a s orbital
1
How many d electrons can there be in an energy level
10
How many f electrons can there be in an energy level
14
How many electrons can occupy an s orbital
2
How many electrons can the first principal energy hold?
2
Which is the lowest energy level that can have a p orbital
2
How many p orbitals can there be in an energy level
3
How many possible orientations are there for the p orbital?
3
Which is the lowest energy level having d orbitals
3
Which is the lowest energy level having f orbitals
4
How many d orbitals can there be in an energy level
5
How many f orbitals can there be in an energy level
7
How many electrons can the second principal energy level hold?
8
Excited state
A state in which an atom has a higher potential energy than it had in its ground state
The third principal energy level can hold 18 electrons. What orbitals are found in the third principal energy level ?
D,P,S
What does the spin quantum number indicate ?
Direction of spin
Aufbau principle
Electrons occupy lowest energy levels first
What does the principal quantum number indicate ?
Energy level
The first three quantum numbers completely indicate
Energy level, orientation , and shape
What information does the first three quantum numbers indicate ?
Energy, shape, orientation in space
The fourth energy level can hold 32 electrons. What orbitals are found in the fourth principal energy level?
F,D,P,S
The quantum number designated in ascending order use the letters
N L M S
Is it possible for 2 electrons in the same atom to have exactly the same set of quantum numbers ?
No, Pauli exclusion principle
Hunds rule
Orbitals of equal energy are filled one electron at a time
What does the magnetic quantum number indicate ?
Orientation of electrons
Orbitals with different shapes occupy different regions. These regions are called ___
Orientations
Valence
Outermost energy level (leading coefficient)
Photon
Particle of electromagnetic radiation having zero mass and carrying a quantum of energy
What are quantum numbers?
Specfic propertirs used to describe and characterize electrons
What does the fourth quantum number indicate ?
Spin
Electronegativity
Tendency of an atom in a bond to attract electrons
Wavelength
The distance between corresponding points on adjacent waves
Continuous spectrum
The emission of a continuous range of frequency of electromagnetic radiation
Photoelectric effect
The emission of electrons from a metal when light shines on the metal
Ionization energy
The energy necessary to remove the most loosely held electron from an atom
Atomic radii(radius)
The more protons you have , the stronger the pull
What does the orbital quantum number indicate ?
The shape of the electron
In the nth principal energy level , orbitals of ___
n^2
What are the p orientations called ?
px,py,pz
What is the shape of the s orbital ?
sphere o
What is the shape of the p orbital
Figure 8
Electromagnetic radiation
Form of energy that exhibits wavelike behavior as it travels through space (ex: X rays , ultraviolet, microwaves)
Emission line spectrum
Four bands of light were part of what is know as hydrogens _____
Distinguish between an atom in its ground state and an excited atom
Ground: lowest energy state of an atom Excited : state in which an atom has a higher potential energy than it has in its ground state
Frequency
Is defined as the number of waves that pass a given point in a specific time, usually 1 second (Hz) hertz
Ground state
Lowest energy state of an atom
The letter ,n, is users to designate the principal quantum(true or false)
True
There is only one orientation of the s orbital (true or false)
True