covalent substances + electrical conductivity and metals Flashcards
1
Q
what can subtances containing covalalent bonds be
A
giant strauctures or simple molecular
2
Q
how are the atoms within a molecule held together
A
very strong covalent bonds
3
Q
what are the foces between molecules like
A
very weak intermolecular forces
4
Q
how are atoms in a giant covalent structure bonded
A
strong covalent bonds
5
Q
what is electric current
A
the flow of electrons or ions
6
Q
when do ionic subtances conduct electritcty
A
when molten or in a solution
7
Q
why cant ionic substances conduct electricty when a solid
A
the ions cant move
8
Q
how are metals held together
A
metallic monding
9
Q
what is metallic bonding
A
the electrostatic attractions between posative ions and the nuclei of the atom
10
Q
A
