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the energy of red light is not sufficient to eject electrons from the valence shell of the potassium atom.

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Can colors be seen with an electron microscope?

No, colors cannot be seen with an electron microscope because color is a property of light that is perceived by the human eye. Electron microscopes use electron beams to create images of the surface of objects, which do not reflect color in the same way visible light does.


This metal is most reative metal in it's period and cannot be found uncombined in nature each atom of the element contains 19 protons?

The metal described is potassium, which is located in Group 1 of the periodic table. It is highly reactive due to its single valence electron. Potassium is never found in its pure form in nature due to its high reactivity, but rather in compounds such as potassium chloride.


In cellular respiration the electron transport chains is an aerobic process because it cannot function without oxygen?

Yes, the electron transport chain is an essential part of aerobic respiration. It requires oxygen as the final electron acceptor to produce ATP efficiently. In the absence of oxygen, the electron transport chain cannot function properly, leading to a decrease in ATP production.


Zinc plus potassium hydroxide?

No reaction, since zinc, which is lower in the electropositive series than potassium, cannot displace potassium from its compounds.


Why alkalai metals are found as compounds?

Alkali metals, such as sodium and potassium, are highly reactive and tend to combine quickly with other elements in nature to form compounds. This is because they have only one valence electron, which they easily lose to achieve a stable electron configuration. Therefore, it is rare to find pure alkali metals in their elemental form in nature.

Related Questions

Why is it impossible for sodium to unite chemically with potassium?

Because both sodium and potassium have one electron in their outermost shells, and they need to donate these electrons to become stable. In other words, both of these elements will become positive ions, and neither will accept an electron from the other. They need to bond with atoms which need another electron to fill its outer shell, such as cholorine. Both sodium chloride (NaCl) and potassium chloride (KCl) exist because chlorine will accept the extra electrons from sodium or potassium atoms. Bottom line: you cannot bond two atoms that both need to lose electrons to become stable because neither will accept the extra electron from the other.


Why potassium carbonate cannot be prepared by solvay process?

Potassium carbonate cannot be prepared by the Solvay process because potassium salts are highly soluble in water, making it difficult to separate potassium carbonate from the solution produced in the process. The Solvay process is specifically designed for the production of sodium carbonate, which has different solubility properties compared to potassium carbonate.


Why is it imposible for sodium to unite chemically with potassium?

Sodium and Potassium belong to group one of the Periodic table. They both contain one electron in their outer shell. They form a chemical bond by donating the outer shell electron to another atom. The other atom will tend to accept electrons rather than donate them. Since sodium and potassium both donate electrons they cannot form a chemical bond with each other.


Ionic bonds between potassium and iodine?

Potassium and iodine form an ionic bond by transferring one electron from potassium to iodine. Potassium becomes a positively charged ion (K+) while iodine becomes a negatively charged ion (I-). These oppositely charged ions are held together by electrostatic forces, forming an ionic compound known as potassium iodide.


Can electron microscopes visualize living things?

No, electron microscopes cannot visualize living things because the high-energy electron beams used in these microscopes can damage or destroy biological samples.


Can colors be seen with an electron microscope?

No, colors cannot be seen with an electron microscope because color is a property of light that is perceived by the human eye. Electron microscopes use electron beams to create images of the surface of objects, which do not reflect color in the same way visible light does.


This metal is most reative metal in it's period and cannot be found uncombined in nature each atom of the element contains 19 protons?

The metal described is potassium, which is located in Group 1 of the periodic table. It is highly reactive due to its single valence electron. Potassium is never found in its pure form in nature due to its high reactivity, but rather in compounds such as potassium chloride.


In cellular respiration the electron transport chains is an aerobic process because it cannot function without oxygen?

Yes, the electron transport chain is an essential part of aerobic respiration. It requires oxygen as the final electron acceptor to produce ATP efficiently. In the absence of oxygen, the electron transport chain cannot function properly, leading to a decrease in ATP production.


Why is the electron in hydrogen not collide with the proton and self destruct.?

electrons are in orbits protons are in nucleus an electron keeps revolving in the orbit because of force of attraction but this electron cannot come into the nucleus where proton and neutron reside.


Why can we not accurately predict where in the electron cloud electrons can be found?

One cannot accurately predict where in the electron cloud an electron can be found because of the Heisenberg Uncertainty Principle. This states that the position and the velocity of an object cannot both be measured exactly, at the same time, and since we can determine the velocity of the electron, knowing the location with certainty is not possible. The main reason behind this is that as soon as you "look" at the electron, using whatever method available, you will by the very nature of looking at it, alter its position.


Why electron microscope cannot be used to study life processes?

Electron microscopes use electron beams, which can damage living tissues and alter their structure. This can lead to inaccurate observations of life processes. Additionally, samples for electron microscopy need to be dehydrated and coated with heavy metals, which can interfere with biological processes in living organisms.


Which alkaki has neutralised citric acid if the salt potassium nitrate is made?

This question cannot be answered because if you neutralise citric acid you will get a citrate, not a nitrate. To get potassium nitrate you will need the alkali potassium hydroxide and nitric acid.