chem test
s,p,d,f
Energy sub-levels are designated
2
in this arrangement, how many inner-shell electrons does oxygen have?
1s
in which orbital(s) are all the inner shell electrons located in an atom of magnesium that is in the ground state?
specify properties of electrons
quantum numbers are sets of numbers that _____
hands rule
require that each of the p orbitals at a particular level have one electron before any of them can have two electrons
velocity and position
the Heisenberg uncertainty principle states that it is fundamentally impossible to know both the ____ of the electron at the same time
opposite spin states
the diagram represents two electrons with
wavelength
the distance between corresponding points on adjacent waves is the wave's
hands rule
the electron configuration below violates which principle/rule?
14
the fourth energy lever can hold ____ more electrons than the third energy level
electron
the light emitted by the gas in a neon sign is due to which subatomic particle?
ground state
the lowest energy state of an atom is its
electron configuration
the organization of the periodic table arises from the ____ of the elements
n
the principle quantum number is designated by the letter ___
4
the second energy level may have ____ orbitals?
orbital
the space in which there is a high probability of finding the electron is called the_____
3
the third energy level may have ____ sub levels?
p
these orbitals are aligned along the x, y, and z axes
sulfur
this electron configuration represents a ground-state atom of which element?
the energy sublevel of an electron
what does the angular momentum quantum number indicate?
37
what is the atomic number of the element with the noble-gas notation
n=5
what is the highest occupied energy level in an atom of strontium in its ground state?
32
what is the total number of electrons needed to fill the fourth main energy level?
photoelectric effect
when electromagnetic radiation strikes the surface of a metal, electrons are ejected from the metal's surface. this is a description of the ______
s, p, and d
which are the sublevels in an energy level of n=3
red
which color of light in the visible spectrum has the longest wavelength
p
which orbitals can be modeled as dumbbell shaped?
6
how many unpaired electrons are in one atom of Cr?
1
how many unpaired electrons are there in an atom of bromine in the ground state?
s
Helium is in which block of the periodic table?
0
a 2f orbital can holdup to how many electrons?
14
a 4f sublevel can hold up to how many electrons?
K
a ground-state atom of which element has one electron in its fourth and outermost main energy level?
excited state
a photon is emitted from a gaseous atom when an electron moves to its ground state from a(n)
electromagnetic radiation
according to Einstein, which of the following can behave like a wave and also like a stream of particles?
3f
an orbital that would never exist in the quantum description of an atom
one
bohr's model correctly explains the spectra of atoms with how many electron(s)?
5
how many different orientations are there for d orbitals/
18
how many p electrons in one atom of Mo?
1
how many possible orientations does an s orbital have?
2
how many possible values are there for the spin quantum number?