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What is the total number of electrons an atom with principal quantum shell 9 can occupy?
162
5 bond pairs, 1 lone pair
The higher the principal quantum number, lower the ionisation energy
Presence of mobile electrons, Closely packed atoms
Hund's rule
Atoms of the same element with same number of protons and different number of neutrons.
Chemical reactivity and properties
Chlorine
How many bond pairs and lone pairs does a molecule with a trigonal-bipyramidal shape have?
162
5 bond pairs, 1 lone pair
The higher the principal quantum number, lower the ionisation energy
Presence of mobile electrons, Closely packed atoms
Hund's rule
Atoms of the same element with same number of protons and different number of neutrons.
Chemical reactivity and properties
Chlorine
When electrons are added successively to a set of orbitals of the same energy, they occupy them singly first before any pairing occurs. What is this rule/principal named?
162
5 bond pairs, 1 lone pair
The higher the principal quantum number, lower the ionisation energy
Presence of mobile electrons, Closely packed atoms
Hund's rule
Atoms of the same element with same number of protons and different number of neutrons.
Chemical reactivity and properties
Chlorine
What is the definition of isotopes?
162
5 bond pairs, 1 lone pair
The higher the principal quantum number, lower the ionisation energy
Presence of mobile electrons, Closely packed atoms
Hund's rule
Atoms of the same element with same number of protons and different number of neutrons.
Chemical reactivity and properties
Chlorine
Why are metals a good electrical and heat conductor respectively?
162
5 bond pairs, 1 lone pair
The higher the principal quantum number, lower the ionisation energy
Presence of mobile electrons, Closely packed atoms
Hund's rule
Atoms of the same element with same number of protons and different number of neutrons.
Chemical reactivity and properties
Chlorine
What does the number of valence electrons determine?
162
5 bond pairs, 1 lone pair
The higher the principal quantum number, lower the ionisation energy
Presence of mobile electrons, Closely packed atoms
Hund's rule
Atoms of the same element with same number of protons and different number of neutrons.
Chemical reactivity and properties
Chlorine
HWhat is the relationship between the principal quantum number and ionisation energy?
162
5 bond pairs, 1 lone pair
The higher the principal quantum number, lower the ionisation energy
Presence of mobile electrons, Closely packed atoms
Hund's rule
Atoms of the same element with same number of protons and different number of neutrons.
Chemical reactivity and properties
Chlorine
Which is the only atom that hydrogen cannot bond with via hydrogen bonding?
162
5 bond pairs, 1 lone pair
The higher the principal quantum number, lower the ionisation energy
Presence of mobile electrons, Closely packed atoms
Hund's rule
Atoms of the same element with same number of protons and different number of neutrons.
Chemical reactivity and properties
Chlorine
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