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It depends on what level or period the atom is. Consult the Periodic Table, and you will see that period 1 has two electrons, periods 2 and 3 have 8, periods 4 and 5 have 18, and 6 and 7 have 32. Please see the related link below for more information.
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How does a vacuum tube work?
contains only a heated electron-emitting cathode and an anode. Electrons can only flow in one direction through the device—from the cathode to the anode. Adding one or more control grids within the tube allows the current between the cathode and anode to be controlled by the voltage on the grids.[5]
Why induced emf alternates?
Here is A Simple answer for this question as you know that emf is induced in the conductor when there is change of flux linkage to the conductor which gives rise to the inducement of electric field in the conductor that provide drift velocity to the electrons hence emf is induced in the conductor but the last only till the change in flux in progress and becomes zero as soon as the flux linkages becomes constant hence we summaraize that for inducement of current there must be change in change of flux hence change in electric field that gives rise to allternating emf.
How long can power generators provide power?
It depends on the size and power that the generator provides; some are only good for a couple of hours, some last for twenty four hours and still others are designed to last for up to four days.
How has being an electrician changed over the last twenty years?
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What the difference between 10-2 wire and 10-3?
The first number indicates the size of the wires, in this case #10 AWG (American Wire Gauge). The last number refers to the quantity of conductors, excluding the ground wire, if any. 10-2 wire would have two conductors, typically a black used for the hot, and a white used for the neutral. If the label says "10-2 with ground" then the cable would also contain a bare or green insulated ground wire. 10-3 wire contains all the above plus one more wire, typically red, used for an additional hot.
How many electrons are in the last orbit of Chlorine?
In the last orbit of Chlorine includes 7 electrons.Name: Chlorine Symbol: ClAtomic Number: 17Atomic Mass: 35.4527 amuNumber of Protons/Electrons: 17Number of Neutrons: 18
Would a atom prefer to lose or gain electrons?
It depends on the atom's electron configuration. Some atoms tend to lose electrons to achieve a stable configuration with a full outer shell (valence shell), while others tend to gain electrons to do the same. This is known as the octet rule in chemistry.
What does the electron configuration of an atom reveal?
It can reveal the number of valence electrons in the last shell.
What determines the stability or reactivity of an atom?
The numbers of protons and neutrons in its nucleus, and the number of electrons in its valence shell. The number of protons and neutrons will affect the element and the isotope number, some isotopes are stable, some are not. Atoms are also more stable with a full outer energy level (octet rule - 8 electrons in the outermost shell).
What do metals do with electrons?
Metals are elements belonging to first , second or third group. They have one ,two or three valence electrons (electrons present in the last orbit of an atom). They lose this electrons to gain stability as they are highly unstable and by doing so they react . NOTICE: An atom can only lose the electron if an atom of other element is ready to take it.
What are Lewis electrons?
Lewis electrons are the electrons located in the outermost energy level of an atom, known as the valence shell. These electrons are the ones involved in forming chemical bonds with other atoms and are crucial for understanding the chemical properties of elements. Lewis structures are diagrams that show the arrangement of valence electrons in an atom or molecule.
How many electrons are in the last electron cloud around a Nickel atom?
In a neutral Nickel atom (Ni), there are 2 electrons in the last electron cloud. Nickel has an electron configuration of [Ar] 3d8 4s2, indicating that there are 2 electrons in the outermost energy level, which is the 4s orbital.
Valence electrons are the electrons found on the last shell of an atom true or fase?
True
What is valency of chloride?
single valency. last orbit has 7 electrons.
Why does magnesium and oxygen form an ionic bond?
Magnesium has two electrons in its outer shell that it loses to achieve stability, forming a 2+ cation. Oxygen gains two electrons to fill its outer shell, forming a 2- anion. The attraction between the oppositely charged ions leads to the formation of an ionic bond between magnesium and oxygen.
What tells you how many electrons an atom must gain lose or share to become stable.?
atomic mas
In general an atom is more stable with a full last electron shell What is the measure of the attraction that an atom has for additional electrons?
electron affinity C. electrons
