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What change in electron structure occurs when magnesium atom becomes a magnesium ion?
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Is adding magnesium to acid a chemical change?
Yes, because the chemical structure is compromised
Why is putting magnesium in water a chemical change?
Magnesium is highly reactive to water because of the atom's electron arrangement. The products of the reaction are, heat, light, and gas, which are all indicators that they had undergone a chemical reaction.
Describe how the structure of the molecules in a solid change as it becomes a liquid?
No one really cares
What is a physical change for a log?
The logs cellular structure becomes burnt.
Is burning a magnesium ribbon a physical change?
No. Burning magnesium, or burning anything for that matter, is a chemical change. The magnesium reacts with oxygen to form magnesium oxide, and to some degree reacts with nitrogen to form magnesium nitride.
How will electron configuration of the atom change when the atom becomes an ion?
how will the electron configuration of the atom change when the atom becomes an iron
Is adding magnesium to acid a chemical change?
Yes, because the chemical structure is compromised
Why is putting magnesium in water a chemical change?
Magnesium is highly reactive to water because of the atom's electron arrangement. The products of the reaction are, heat, light, and gas, which are all indicators that they had undergone a chemical reaction.
What change in electron structure occures when a sodium atom becomes a sodium ion?
The valence electrons are either lost to another atom or the sodium atom gains valence electrons, it really depends on if what the sodium atom is bonding with has a lot or a little of valence electrons. The structure doesn't change though, just the number of valence electrons change. The nucleus is never changed when an ion is formed.
Describe how the structure of the molecules in a solid change as it becomes a liquid?
No one really cares
Why are the first ionisation energies of sulfur and aluminium lower than those of phosphorus and magnesium?
Well between Magnesium and Aluminium there is a change in sub-shells as the outer most electron in Aluminium is within the p-shell, where as the Magnesium is within the s-shell . This means the electron within Aluminium is further away from the nucleus, in addition there is more shielding involved. Consequently the electron needs less energy to force it away phosphorus and sulphur and are in the same shell , however sulphur contains a extra electron to phosphorus. This extra electron is paired with another electron which in turn as the both are negatively charge repel each other , making it easier to force the electron out :)
What is a physical change for a log?
The logs cellular structure becomes burnt.
What change in electron structure occur when Mg atom become a Mg ion?
Magnesium is a group 2A element, and has 2 valence electrons. Thus, for it to become an ion (Mg^2+) is loses those 2 valence electrons.
What are the Definitions of chemical and physical changes?
A physical change is a change in the physical state of a substance. An example of a physical change is water turning to ice (a solid) when frozen. Its state of matter has changed, but it is still the same substance (water).A chemical change is a change in the chemical structure of a substance(s). For example, when oxygen and magnesium react, they form magnesium oxide (a different substance). The chemical state of both the oxygen and magnesium atoms involved has changed.Equations:Oxygen + Magnesium --> Magnesium OxideO2 + 2Mg --> 2MgO
Why burning of magnesium in air is chemical change?
magnesium burns in oxygen to form magnesium oxide. and hence this is a chemical change
Is burning a magnesium ribbon a physical change?
No. Burning magnesium, or burning anything for that matter, is a chemical change. The magnesium reacts with oxygen to form magnesium oxide, and to some degree reacts with nitrogen to form magnesium nitride.
When magnesium is burnt in the air is it a chemical change?
Yes. Magnesium burns in air brightly giving Magnesium oxide, witch is a chemical change.
