Physical Properties of elements Flashcards
1
Q
Isoelectronic meaning?
A
Same number of electrons
2
Q
cation meaning?
A
positive ion
3
Q
anion meaning?
A
negative ion
4
Q
Electronegativity meaning?
A
Tendency of an atom to attract a bonding pair of electrons.
5
Q
Electron affinity meaning?
A
atom’s ability to gain an electron
6
Q
First ionisation energy meaning?
A
one mole of electrons to be removed from one gaseous atom
7
Q
Melting/Boiling points trends in periodic table?
A
Decrease down period 1
Increase down period 7
8
Q
Malleable meaning?
A
hammered into shape without breaking
9
Q
Ductile meaning
A
stretched into a wire without breaking
