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Which one is the most reactive metal potassium lithium or sodium?
Potassium is the most reactive of the three metals (potassium, lithium, and sodium). It reacts vigorously with water, producing hydrogen gas and heat. Sodium is less reactive than potassium, while lithium is the least reactive among the three.
Does lithium and sodium have the same number of protons?
No, lithium and sodium do not have the same number of protons. Lithium has 3 protons, while sodium has 11 protons.
Can bromine and caesium be combined?
Sure, bromine and caesium can be combined to form a compound, but it's not a great idea unless you want to witness some explosive reactions. Bromine is a highly reactive halogen, while caesium is a highly reactive alkali metal, so mixing them together is like playing with fire...literally. Just be prepared for a potentially dangerous chemical reaction if you decide to go down that risky road.
What is the difference between ammonia clock and caesium clock?
An ammonia clock measures time based on the frequency of microwave radiation absorbed by ammonia molecules, while a caesium clock measures time based on the vibrations of caesium atoms. Caesium clocks are more accurate and stable compared to ammonia clocks, making them the standard for defining the international unit of time, the second.
How do you use lithium?
Lithium is used to treat people who are suffering from bipolar disorder. While Lithium cannot cure the disease it eases the symptoms. It is also used to fuel torpedos, where blocks of lithium are melted by electric sparks before reacting with sulphur hexafluoride to produce heat. Lithium is used to make many different types of batteries, ceramics, enamels, glass, dyes, and rubber products. It is also often used in compounds such as Lithium Hydride which inflates many life boats and balloons or Lithium Deuteride which used in the explosively active part of H-bombs.
Why are potassium and caesium rather than lithim used in photoelectric cells?
Potassium and caesium are used in photoelectric cells because they have lower work functions compared to lithium, making them more efficient at emitting electrons when exposed to light. This property allows them to generate a higher current in response to light, making them more suitable for photoelectric applications.
Identify the trend in melting point from lithium to caesium?
The trend in melting point from lithium to caesium is that it increases. Lithium has the lowest melting point of the alkali metals, while caesium has the highest melting point. This trend is due to the increasing strength of metallic bonding as atomic size increases down the group.
Which are the metals which show and do not show photoelectric effect?
All metals will emit a photoelectric effect. However, alkali metals do so in the visible light spectrum, while other metals do so in near-ultraviolet light.The alkali metals are: Lithium (Li), Sodium (Na), Potassium (K), Rubidium (Rb), Caesium (Cs), and Francium (Fr).
Why can't the wave model cannot explain the photoelectric effect?
The wave model cannot explain the photoelectric effect because it assumes that energy is transferred continuously, while the photoelectric effect shows that electrons are emitted instantaneously when light of a certain frequency hits a material. This is better explained by the particle nature of light, as described by the photon theory.
Can stable compound be made from oxygen and lithium?
YES
What is true about lithium 6 and lithium 7?
Lithium 6 and lithium 7 are isotopes of lithium. The main difference between them is in the number of neutrons in their nuclei - lithium-6 has 3 neutrons, while lithium-7 has 4 neutrons. Lithium-7 is more abundant in nature than lithium-6.
Can you take soma while on lithium?
What will happen when you mix lithium and soma
Which one is the most reactive metal potassium lithium or sodium?
Potassium is the most reactive of the three metals (potassium, lithium, and sodium). It reacts vigorously with water, producing hydrogen gas and heat. Sodium is less reactive than potassium, while lithium is the least reactive among the three.
What are the differences between lithium and oxygen?
Lithium is a metal, while oxygen is a non-metal. Lithium is a solid at room temperature, whereas oxygen is a gas. Lithium is highly reactive, especially with water, while oxygen supports combustion.
What are the differences between a photoelectric smoke alarm and an ionization smoke alarm?
The main difference between a photoelectric smoke alarm and an ionization smoke alarm is the way they detect smoke. Photoelectric alarms use light to detect smoke particles, while ionization alarms use radioactive particles. Photoelectric alarms are better at detecting smoldering fires, while ionization alarms are more sensitive to fast-flaming fires.
Does lithium and sodium have the same number of protons?
No, lithium and sodium do not have the same number of protons. Lithium has 3 protons, while sodium has 11 protons.
What are the differences between photoelectric and ionization smoke detectors?
Photoelectric smoke detectors use a light beam to detect smoke particles, while ionization smoke detectors use radioactive particles to detect smoke. Photoelectric detectors are better at detecting smoldering fires, while ionization detectors are more sensitive to fast-flaming fires.
