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A polar molecule has a slight what change near the atom that attracts the shared electron more strongly?
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Definition of electron affinity?
The energy change that occurs when an electron is added to a neutral atom. This is usually exothermic. Noble Gases are excluded from this. Equation: X(element)+e-(electron)---------> X-1+ energy
The change of an electron is?
-1
How can you transfer electrons in a simple way?
Electron transfer (ET) occurs when an electron moves from an atom or a chemical species (e.g. a molecule) to another atom or chemical species. ET is a mechanistic description of the thermodynamic concept of redox, wherein the oxidation states of both reaction partners change.
How does the electron's energy change as the orbit of the electron increases?
The farther an electron is from the nucleus of an atom, the more energy it has.
What is the difference between a chemistry change and a physical change?
what is the difference between a physical change and a physical property
Can a photon be oxidized by an electron from the valence shell of a molecule?
Photons are not oxidized. They are energy. A photon may be captured by an atom or molecule resulting in a change to the state of atoms.
Why does iodine change colour when starch is present?
The startch and iodine molecule interact- the electron energy levels are affected on the iodine enough to change the absorption spectrim and hence the color.
Definition of electron affinity?
The energy change that occurs when an electron is added to a neutral atom. This is usually exothermic. Noble Gases are excluded from this. Equation: X(element)+e-(electron)---------> X-1+ energy
What is a chemical change but not a physical change?
Chemical change: the structure of the molecule is modified. Physical change: the structure of the molecule is not modified.
When is a phase change and when is it a sign of a chemical change?
After a physical change the molecule remain intact.After a chemical change the molecule is modified.
What molecule does not change?
the strarch molecule binds to an enzyme
What is the diference between a physical change and a chemical change?
Chemical change: the structure of the molecule is chenged. Physical change: the structure of the molecule is not changed.
The change of an electron is?
-1
How can you transfer electrons in a simple way?
Electron transfer (ET) occurs when an electron moves from an atom or a chemical species (e.g. a molecule) to another atom or chemical species. ET is a mechanistic description of the thermodynamic concept of redox, wherein the oxidation states of both reaction partners change.
How does the electron's energy change as the orbit of the electron increases?
The farther an electron is from the nucleus of an atom, the more energy it has.
Why is boiling or melting a physical change and not a chemical change?
because you dont change the molecule. H2O IS THE SAME MOLECULE as water, ice or steam
Would you quickly change your job if you found a better paying one Strongly Disagree Disagree Neither Agree Strongly Agree?
Strongly Agree
