support staff meaning, support staff definition | English Cobuild dictionary. support. 1 verb If you support someone or their ideas or aims, you agree with them, and perhaps help them because you want them to succeed. (=back) (Antonym: oppose) The vice president insisted that he supported the hard-working people of New York... V n.
The valence shell is the outer shell of the atom. Some materials have a free electron in their valence shell and this electron can easily move from atom to atom. The free electrons are responsible for electrical current.
1. The number of the valence shell in an atom determines its position in the Periodic Table i.e. the period to which the element belongs. Elements having 1, 2 or 3 electrons in the valence shell are metals. Exception is H and He.Elements having 4 to 7 electrons in their valence shell are non-metals. 1  The number of the valence shell in an atom determines its position in the Periodic Table i.e. the period to which the element belongs. 2  Elements having 1, 2 or 3 electrons in the valence shell are metals.xception is H and He. Elements having 4 to 7 electrons in their valence shell are non-metals. 1  The number of the valence shell in an atom determines its position in the Periodic Table i.e. the period to which the element belongs. 2  Elements having 1, 2 or 3 electrons in the valence shell are metals.