Reactivity and bonds Flashcards
1
Q
when are atoms most stable
A
when their valence (outer) orbitals are
- filled
- when they lack unpaired valence electrons
2
Q
when are atoms reactive
A
when they lack or need to loose an electron
3
Q
in what kind of bonds are unpaired electrons shared
A
covalent bonds
4
Q
in what kind of bond is an electron transferred between two atoms
A
ionic bonds
5
Q
what determines if a bond is covalent or ionic
A
their electronegativity
