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Natural systems left to themselves move towards states of lower potential energy. For example, water flows down a hill or a ball rolls down a hill, if free to do so. States of lower potential energy are more stable. As a rule, the lower the potential energy of a system, the more stable it is. As a result, left to themselves, systems attempt to reach the configuration with the lowest energy possible under a given set of constraints. To change the state of a system from lower to higher potential energy, one must therefore supply energy to the system.
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Is hydride ion more stable or less stable than H-atom?
hydried is more stable than H-atom
What is a partially filled outer electron level makes with?
A completley filled out electron level makes the atom stable
What is the difference between the ground state of an atom and excited state of an atom?
An atom is in its ground state when all the electrons in the atom occupy orbitals that result in the minimum chemical potential energy for the atom as a whole. An excited atom is one that stores (at least for a brief interval) additional chemical potential energy as a result of at least one of the electrons in it occupying an orbital with higher energy than the orbital(s) the electrons in the same atom would occupy in the ground state of the atom.
Why are noble gases less reactive than halogens?
Noble gases all have 8 electrons in their outter most energy level. when an atom has 8 electrons in it's outtermost layer, then its more stable
When an atom of one element combines chemically with an atom of another element both atoms usually attain the stable highest energy level configuration of a?
molecule
Is an ion or atom more reactive?
Anything that is unstable is more reactive, and anything that is stable is less reactive. Since a charged ion requires energy to maintain its charge, it is LESS stable and thus MORE reactive.
What is HTE difference between an atom in the ground state and an atom in an excited state?
Atom in the ground state is stable but atom in excited state is not stable the main reason for this is their energies.Atoms in excited state has more energy so they undergo chemical reaction so they are not stable but atoms in ground state has less energy than the excited state so they dont undergo chemical reaction.
Is hydride ion more stable or less stable than H-atom?
hydried is more stable than H-atom
Is the most atom more or less stable when they have eight valence electrons true or false?
less stable
What is a partially filled outer electron level makes with?
A completley filled out electron level makes the atom stable
An atom is stable when it?
it can be stable by completing their octet & minimizing their energy
Valence electrons found where?
Valence electron are found in the outer shell of an atom. Depending on the number of valence electrons, the atom is more or less stable: fewer => less stable and more => more stable (inert). Stable = less likely to react with other atoms.
Do protons in a very large nucleus have a greater chance of flying apart?
Sort of... The general tendency is for a larger atom to be less stable. Above a certain point (after lead) no stable atoms are known to exist.Sort of... The general tendency is for a larger atom to be less stable. Above a certain point (after lead) no stable atoms are known to exist.Sort of... The general tendency is for a larger atom to be less stable. Above a certain point (after lead) no stable atoms are known to exist.Sort of... The general tendency is for a larger atom to be less stable. Above a certain point (after lead) no stable atoms are known to exist.
Describe the type of electron configuration that makes an atom stable and not likely to react?
When the highest occupied energy level of an atom is filled with electrons, the atom is stable and not likely to react.
How many electrons are needed in the outer energy levels for the atom to be stable?
Stability isn't determined by the first energy level. The only atom with less than two is hydrogen. It is a very stable atom...reactive in that it will attach to anything, but it will always be hydrogen. The atoms that readily decay (the radioactive ones) all have full first orbitals.
What is a ground state?
the lowest energy level occupied by an electron when an atom is in its most stable energy state
Why is an atom that has eight valence electrons less reactive?
Because it is already stable!
