1 of 51
Definition
How many orbitals and electrons do these shells
contain?
a) 1s- 1 orbital, 2 electrons
b) 2p- 3 orbitals, 6 electrons
c) 3s- 1 orbital, 2 electrons
d) 3d- 5 orbitals, 10 electrons
e) 4s- 1 orbital, 2 electrons
What would be the
Explain why chromium does
relationship between 2
not fit the trend for
electrons in the same orbital
electronic configuration
in terms of their spin?
, How many orbitals and
What is are isotopes of an electrons do these shells
element? contain?
a) 1s b) 2p c) 3s d) 3d d) 4s
2 of 51
Term
How does nuclear charge affect ionisation energy
Increasing nuclear charge
Ionisation, acceleration, drift,
increase ionisation energy as
detection
electrons harder to remove
Decreases down group. Electrons
Positive nucleus surrounded by
further from nucleus so less attraction
electrons in defined shells
and more shielding so less attraction
, 3 of 51
Term
Calcualte the number of neutrons in C12 and C14
s = 2, p = 6, d = 10 6 in C12 and 8 in C14
1/2000 or 1/1840 Chromium and copper
4 of 51
Definition
Because atoms can be doubly ionised and would be accelerated more
quickly
How does nuclear charge affect Why do isotopes have the same
ionisation energy chemical properties
What does the atomic
Why is m/z used in a mass
number tell us about an
spectrum not just mass
, element?
5 of 51
Definition
16 divided by the avogadro constant (6.022 x 10^23)
What would be the
When would you use the
relationship between 2
different types of ionisation
electrons in the same orbital
in a mass spec?
in terms of their spin?
How could you calculate the How can you determine the number
mass of one atom of oxygen of ions hitting the detector at a m/z
using its Ar of 16 value?
6 of 51
Definition
Proton, neutron, electron
Definition
How many orbitals and electrons do these shells
contain?
a) 1s- 1 orbital, 2 electrons
b) 2p- 3 orbitals, 6 electrons
c) 3s- 1 orbital, 2 electrons
d) 3d- 5 orbitals, 10 electrons
e) 4s- 1 orbital, 2 electrons
What would be the
Explain why chromium does
relationship between 2
not fit the trend for
electrons in the same orbital
electronic configuration
in terms of their spin?
, How many orbitals and
What is are isotopes of an electrons do these shells
element? contain?
a) 1s b) 2p c) 3s d) 3d d) 4s
2 of 51
Term
How does nuclear charge affect ionisation energy
Increasing nuclear charge
Ionisation, acceleration, drift,
increase ionisation energy as
detection
electrons harder to remove
Decreases down group. Electrons
Positive nucleus surrounded by
further from nucleus so less attraction
electrons in defined shells
and more shielding so less attraction
, 3 of 51
Term
Calcualte the number of neutrons in C12 and C14
s = 2, p = 6, d = 10 6 in C12 and 8 in C14
1/2000 or 1/1840 Chromium and copper
4 of 51
Definition
Because atoms can be doubly ionised and would be accelerated more
quickly
How does nuclear charge affect Why do isotopes have the same
ionisation energy chemical properties
What does the atomic
Why is m/z used in a mass
number tell us about an
spectrum not just mass
, element?
5 of 51
Definition
16 divided by the avogadro constant (6.022 x 10^23)
What would be the
When would you use the
relationship between 2
different types of ionisation
electrons in the same orbital
in a mass spec?
in terms of their spin?
How could you calculate the How can you determine the number
mass of one atom of oxygen of ions hitting the detector at a m/z
using its Ar of 16 value?
6 of 51
Definition
Proton, neutron, electron
