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Answered 2012-02-09 06:36:11

When we say valence electron we mean the number of electron left it the outermost shell of element, valence electron can be positive of negetive. If an element need much electrons to be octet, that means that the element is not reactive than the one who will give out electrons, the the one who can give electrons much are less reactive than the one who can give a litle and the reaction will be normal as it is soppused to be, Eg lithium and berylium. Lithium is more reactive than berylium because lithuin has 1valence electron while berylium has 2....reactivity goes with the action of valence electron in an element

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Group 1 elements have larger atomic radius and greater reactivity than that of the adjacent group 2 elements.

what can you deduce about the relationship between electron affinity and reactivity of non-metals

Elements are the most basic substance you can create. Molecules such as neutrons, electrons, and protons are in elements. hope this helps!

There is no relationship between this, however most of the elements in a group have the same number of valence electrons.

Is due to the increase in the force of attraction between the nucleus and the outer most electrons.

Elements in the same group have the same number of valence electrons.

In the alkali metals column (Group 1), atomic radius increases down the group and reactivity increases. There are more shells preventing the attraction between the positive nucleus and negatively charged outer electron. (All Group 1 elements have 1 electron in their outer shell). Also, because they contain more shells down the group, the distance between the nucleus and electrons is increased. Therefore the electrostatic force is lessened between them. Both of these allow the outer electron to be lost easier to other elements, thus increasing reactivity.

Elements in a family are in the same column on the periodic table. They have the same amount of valence electrons and share properties.

the atomic number is equal to the number of electrons(-) and protons(+): that is why elements have no charge, as a neutron is neural

There is really no relationship between the number of neutrons and electrons in an atom. In a neutral atom, there is a relationship between the number of electrons and protons in that they are equal.

The electrons get shared between the two elements, from the covalent bonds.

There is an existing relationship between the date of the metal discovery and its reactivity. The relationship is that because metals that are more reactive are harder to extract from their ores. This is because they were in forms of salts.

Ok! So yea: The elements are classified by their properties by the reactivity and similarities between elements. I hope that helps...

They have the same number of valence electrons (electrons in their outermost shell). They do not have the same number of shells however.

Groups are the number of outer shell electrons in the elements and periods are the number of outer shells in the elements. eg. group 4, period 3 is Silicon which means that it has 3 shells where the electrons are stored and in the last shell it has 4 electrons

Elements in groups 1 and 2 have their outermost electrons in an s orbital; elements in groups 3, 4, 5, 6, 7 and 8 have their outermost electrons in a p orbital.

Th reactivity of alkali metals increases from the top of Group 1A to the bottom

the number of elements in each period is equal to the shell's capacity for electrons. ^-^ hope this helps

They are the same! Elements in group IA (alkali metals) have 1 valence electrons. Elements in group IIA (alkaline earth metals) have 2 valence electrons. Group IIIA (boron family) has 3 valence electrons, and so on.

The more to the right of the periodic table the more reactive Only for nonmetals, for metals the most reactive are to the left and have 1 valence electron. Nonmetals have many, 6 or 7, valence electrons that make them very reactive.

At least for the Alkali and Alkaline Earth metals, the higher the ionization energy, the less the reactivity.This is because when a metal reacts, it loses electrons to form ions with stable electron configurations.When a lot of energy is required for it to lose electrons, it is going to be less likely to react than a metal that easily sheds electrons.Therefore, the lower the ionization energy, the more reactive a metal will be.

The relationship between electrons and life is the tiny subparticles react with the nuetrons creating a friction that keep are basic genomes going.

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