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It has 4 valence electrons

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How can the number of core electrons be detemined from the periodic table?

Take carbon as an example.Carbon, indicated by it's atomic number, has 6 electrons. The number at the top of carbon's group is the number of valance electrons. Carbon has 4 valance elections.6 total electrons - 4 valance electrons= 2 core electrons in carbon=====================(try another element yourself to see this process )


What is the number of valance electrons as you move right across a row or period in the periodic teale?

It depends on which group you are talking about. The number of valance electron normally increase by one as you move right across the table. when you get to the transition metals however, the valance electron will vary.


What is the number of valance electrons in oxygen?

six valence electrons


What are valanced electrons?

Good Question Valance electrons are simply the number of electrons in the outer shell of an atom. An easy way to figure this out is to look at the families (the vertical columns of the Periodic Table) and count over from left to right. The number in the ones place is the number of valance electrons that the element will have. The goal is usually to fill the number of valance electrons using the octet rule. The octet rule is filling it to its max so it becomes stable the number is usually eight. There are some exceptions such as helium which has two.


How does the structure of a carbon atoms differ to other atoms?

A carbon atom has only four electrons in its valance energy shell. This allows for four other bonding possibilities. Carbon is also an atom that has covalent bonding properties which means it shares its electrons with the molecules that it is bonded to.

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