trends in the periodic table Flashcards
1
Q
what is the covalent atomic radius?
A
a measure of atomic size
2
Q
what is the trend going down a column ?
A
the atomic radius decreases
3
Q
what is the trend going along a period?
A
the size of the atom decreases as the nucleus charge pulls the elctron
4
Q
what is electronegativity?
A
the attraction for bonding with an atom to share electron
5
Q
what group has no electronegativity?
A
group 8/0 as they dont form a bond
6
Q
if an element has 0 electronegativity it means…
A
it is a pure covalent bond
7
Q
what tells us the ionic character?
A
the difference in electronegativity between atoms gives an indication.
