The characteristic that allows some metals to be better conductors of electricity is that they have 'free electrons'. Free Electrons simply means that there is a weaker bond between the electrons on the outer valence shell to the nucleus of the atom, than other atoms. This weak bond allows electrons in metals to become more easily excited (when mechanical means of generation occurs), where the electrons are able to transfer from one atom to another.
I imagine this is what the question is asking. Basically, electricity is inherent in the material. Metals have weak bonds in their outer valence electron shell.
A: In metals, the atoms move freely, allowing heat to travel faster. :)
Calcium is a metal that has two valence electrons.
Metalloids typically have 3 to 6 valence electrons. This intermediate number of valence electrons allows metalloids to exhibit both metal and non-metal characteristics.
Nonmetals attract electrons.
Calcium is a non metal element. There are 20 electrons in a single atom.
they all have one valence electron.
Calcium is a metal that has two valence electrons.
All alkali earth metals have 2 valence electrons.
Beryllium is the alkaline earth metal that has 2 valence electrons.
Metalloids typically have 3 to 6 valence electrons. This intermediate number of valence electrons allows metalloids to exhibit both metal and non-metal characteristics.
Nonmetals attract electrons.
they are making metal bonds. that is the purpose.
2 valence electrons are in iridium because iridium is a transition metal. Most transitions metal would have 2 valence electrons because the group before the transition metals are the alkaline-earth metals which contains 2 valence electrons in that group making the transition metals have 2 valence electrons.
Calcium is a non metal element. There are 20 electrons in a single atom.
1
Most of the properties of a metal, including lustre, are due to the metallic bonding of the electrons.
At least one, and usually all, of the valence electrons of the metal atom is donated to the valence shell of the nonmetal atom.
Valence electrons