They don't. Of the main group, or representative elements, group 1 elements are the only ones whose atoms have only 1 electron in their outermost energy levels.
each element has one atom of the element's name
C6H12O6. Six carbon atoms, 12 hydrogen atoms and six oxygen atoms.
for each element the atoms are different
In this case, the equation is balanced.
In this case, the equation is balanced.
there are atoms inside of each element
Electron affinity is an elements' ability to attract electrons and is variable for each element. Generally the more electronegative atoms are furthest to the right bottom of the periodic table and ascending to the left the elements lose their electron accepting ability.
same number of each element
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You would have to determine the electron configuration for atoms of a given element. Each s sublevel contains 1 orbital, each p sublevel contains 3 orbitals, each d sublevel contain 5 orbitals, and each f sublevel contains 7 orbitals. Click on the related link to see a periodic table that shows electron configurations for the elements.
It is important to know the relative number of atoms of each element in a compound for the chemical composition.
Electron Shells no it needs 8 valence electrons Wrong. In order for a atom to combine it must need 8 element molecules.