AS Flashcards
1
Q
two bond angles
A
180, linear
2
Q
three bond angles
A
120, triganol planar
3
Q
four bond angles
A
109.5, tetrahedral
4
Q
six bond angles
A
90, octahedral
5
Q
two lone pairs and two bond pairs
A
104.5, non linear
6
Q
one lone pair and three bond pairs
A
107, pyramidal
7
Q
first ionisation energy
A
the energy required to remove one electron from each atom in one mole of gaseous atoms
8
Q
electronegativity
A
the ability of an atom to attract the shared pair of electrons in a covalent bond
9
Q
chlorine and sodium hydroxide
A
NaCl + NaClO + H2O
10
Q
q(J) =
A
mass x specific heat capacity x temperature change
11
Q
0°C = ?K
A
273K
12
Q
^H =
A
(q÷1000)/number of moles
13
Q
temperature increase means
A
exothermic and negative enthalpy change
14
Q
concurrent results are
A
within 0.1cm^3 of each other
15
Q
pV=
A
nRT
