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the sea of electrons shared between metal atoms
Metals loss electrons and nonmetals gain electrons.
Because of the common sea of electrons, these electrons can move readily, creating electricity.
No, it is not true. When metals loose electrons they become cations.
Metals have a characteristic silvery, shiny appearance, they are electrically conductive, flexible (except for mercury which is liquid), and they engage in chemical reactions in which they are electron donors, forming positive ions. Non-metals are less shiny, generally not good electrical conductors, not as flexible, and they engage in chemical reactions in which they receive electrons, forming negative ions. Some non-metals such as carbon can either give or receive electrons, but even when they give electrons they do not do so as readily as metals do.
Melals have free electrons. Hence metals react easily by giving electrons.
The defining characteristic of metals, in a chemical sense, is that they have between one and three valance electrons and they tend to lose electrons, as compared to non metals which have a larger number of valance electrons and are much less prone to losing them. So, when a metal is heated sufficiently, outer electrons get hot enough to leave the atom. Then, electrons are recaptured. In the process of becoming part of an atom again, an electron emits a photon, with a typical wavelength for a given element, thereby creating a characteristic color. As a result of this process, the color of a flame is mainly due to whatever metals are present.
Substances called conductors. The characteristic of a conductor is that they have plenty of electrons in their shells (eg metals).
Metals almost always gain electrons, it gives metals their positive(+) characteristic.
the sea of electrons shared between metal atoms
They have multiple oxidation states (owing to the d orbital)
Metals loss electrons and nonmetals gain electrons.
they all have at least one electron
They both are highly reactive and are not found in nature in elemental state.
They are one valence electrons and are the most reactive group of metals in the periodic table.
The physical properties of different metals make them useful for different purposes in metals can move through the metal, allowing metals to conduct electricity.
Metals give up electrons while non-metals gain electrons