Description : When Helium atom Loses electron, then it becomes
Last Answer : Positive Helium ion
Description : Reaction between X and Y forms compound Z. X loses electron and Y gains electron. Which of the following properties is not shown by Z? A) Has high melting point B) Has low melting point C) Conducts electricity in molten state D) Occurs as solid
Last Answer : B) Has low melting point
Description : An alpha particle colliding with an electron loses: w) none of its energy x) little of its energy y) half of its energy z) all of its energy
Last Answer : ANSWER: X -- LITTLE OF ITS ENERGY
Description : The emission of beta particle is from A)The valence shell of an atom B)The inner shell of an atom C)The nucleus due to the nuclear conversion `:` Prot
Last Answer : The emission of beta particle is from A)The valence shell of an atom B)The inner shell of ... to the nuclear conversion neutron `to` proton + electron
Description : If an atom loses one or more electrons, it becomes _____.
Last Answer : It becomes positively charged atom.
Description : In molecule of calcium sulfide calcium has two valence electron bonds and a sulfur atom has six valence electrons. How many lone pairs of electrons are present in the Lewis structure of calcium?
Last Answer : What is the answer ?
Description : What do you think happened to the size of an atom when the atom loses an electron?
Last Answer : The atom would stay the same size because it would still have the same amount of energy levels. The mass of the atom would be slightly less though.No, an atom shrinks when loosing an electron.There ... by the same number of protons ('+'charges) in nucleus, so the atraction per electron is stronger.
Description : An electron collides with a fixed hydrogen atom in its ground state. Hydrogen atom gets excited and the colliding electron loses all its kinetic energ
Last Answer : An electron collides with a fixed hydrogen atom in its ground state. Hydrogen atom gets excited and the colliding ... eV C. 12.1 eV D. 13.6 eV
Description : In Space, our Body----? A. Gains Weight B. Loses Weight (Answer) C. No Change D. Little Change
Last Answer : B. Loses Weight (Answer)
Description : A man sells two houses at the rate of Rs.1.995 lakh each. On one he gains 5% and on the other he loses 5%. His gain or loss per cent in the whole transaction is a) 0.25% loss b) 0.25% gain c) 2.5% loss d) 2.5% gain e) 1.25% loss
Last Answer : a) 0.25% loss
Description : A man sells two flats at the rate of Rs. 2 lakhs each. On one he gains 3% and on the other, he loses 3%. His gain or loss % in the whole transaction is A. 9% loss B. 2% loss C. 3% loss D. 25% loss
Last Answer : Answer – A (0.09% loss) Explanation – Loss% = X^2/100=(3)^2/100 % =0.09%
Description : Assertion A beam of electron can pass undeflected through a region of E and B. Reason Force on moving charged particle due to magnetic field may be ze
Last Answer : Assertion A beam of electron can pass undeflected through a region of E and B. Reason Force on ... to magnetic field may be zero in some cases.
Description : Which of the following is a negatively charged particle of an atom ?
Last Answer : An electron is a negatively charged particle in an atom.
Description : Which of the following is a positively charged particle of an atom ?
Last Answer : A positively charged particle proton of an atom.
Description : What positively charged particle is located in the nucleus of an atom?
Last Answer : This particle is the proton.
Description : Pick out the wrong statement. (A) The ratio of the density of the 'nucleus' to that of the 'atom' is 10 12 (B) α-particle is identical with a doubly charged helium ion (C) The mass of deuterium atom is half that of helium atom (D) Gamma rays are high energy electrons
Last Answer : (D) Gamma rays are high energy electrons
Description : _______ is a negatively charged particle present in an atom.
Last Answer : Electron is a negatively charged particle present in an atom.
Description : If a chlorine atom were to attract an electron from sodium the chlorine atom would become blank charged?
Last Answer : negative
Description : Which of the following statements is incorrect? (a) Electrons move toward positively charged locations. (b) An electron-rich atom is called an electrophile. (c) An electrophile is electron loving. (d) A nucleophile has a a pair of electrons it can share
Last Answer : An electron-rich atom is called an electrophile.
Description : What is the Particle in a nucleus of an atom it has a positive electrical charge and it's 2000 times the mass of the electron?
Last Answer : protonthere is no such thing as an electrical charged nut there issuch a thing as a charged particle, that is also known asneutron
Description : The smallest particle of an element is called - (1) Ion (2) Electron (3) Atom (4) Molecule
Last Answer : (3) Atom Explanation: An element is a substance completely made up of one atom. However, the atom itself is not the smallest known particle, but instead each atom is made up of three individual parts: electrons, protons and neutrons.
Description : Pick out the wrong statement. (A) The nucleus of a hydrogen atom is identical with a proton (B) A, β-ray particle is identical with an electron (C) Mass of an electron is about 1/1800th of the lightest nucleus (D) Positron is heavier than a proton
Last Answer : (D) Positron is heavier than a proton
Description : Chlorine atom becomes a chloride ion by (a) Losing an electron (b) Gaining an electron (c) Sharing its electron with another element (d) Gaining a neutron
Last Answer : Ans:(b)
Description : Which of the following statements is TRUE about an ELASTIC collision between two particles? Is it true that: w) neither particle loses any of its kinetic energy x) neither particle loses any of ... that lost by the other z) the total kinetic energy before and after the collision remains constant
Last Answer : ANSWER: Z -- THE TOTAL KINETIC ENERGY BEFORE AND AFTER THE COLLISION RE
Description : Assertion :- In a redox reaction, the oxidation number of the oxidant decreases while that of reductant increases. Reason :- Oxidant gains electron(s)
Last Answer : Assertion :- In a redox reaction, the oxidation number of the oxidant decreases while that of reductant ... D. If both Assertion & Reason are False.
Description : What happened when an atoms gains an electron?
Last Answer : It becomes a negative ion.
Description : What is the process by which an atom gains electrons? w) Reduction x) Neutralization y) Electrolysis z) Oxidation
Last Answer : ANSWER: W -- REDUCTION
Description : When an uncharged object loses electrons it becomes?
Last Answer : Need answer
Description : On heating, Gypsum loses certain percentage of its water content and becomes (1) Chalk (2) Calcium sulphate (3) Plaster of Paris (4) a pearl
Last Answer : (3) Plaster of Paris Explanation: Plaster of paris, quick-setting gypsum plaster consisting of a fine white powder (calcium sulfate hemihydrate), which hardens when moistened and allowed to dry.
Description : Curie point is the temperature at which (1) Matter becomes radioactive (2) A metal loses magnetic properties (3) A metal loses conductivity (4) Transmutation of metal occurs
Last Answer : (2) A metal loses magnetic properties Explanation: In physics and materials science, the Curie temperature (TO, or Curie point, is the temperature at which a ferromagnetic or a ... in piezoelectric materials to refer to the temperature at which spontaneous polarization is lost on heating.
Description : Curie point is the temperature at which (1) Matter becomes radioactive (2) A metal loses magnetic properties. (3) A metal loses conductivity (4) Transmutation of metal occurs.
Last Answer : A metal loses magnetic properties.
Description : What's a valence electron?
Last Answer : www.wikipedia.com/Valence_electron
Description : What is the valence electron of fluorine ?
Last Answer : The valence of fluorine is seven.
Description : What is the valence electron of phosphorus ?
Last Answer : Phosphorus valence electron 5 .
Description : What is the valence electron of nitrogen ?
Last Answer : Nitrogen valence is 5 electrons .
Description : Five valence electrons of `.^(15)P` re labelled as If the spin quantum numbers of B and Z is `+(1)/(2)`, the group of electron with three of the quant
Last Answer : Five valence electrons of `.^(15)P` re labelled as If the spin quantum numbers of B and Z is `+(1)/(2)`, ... A. AB,XYZ,BY B. AB C. XYZ,AZ D. AB,XYZ
Description : How many of the following properties of halogen Increases with increase In atomic number. (a) Number of valence electron (b) Metallic nature (c) Boili
Last Answer : How many of the following properties of halogen Increases with increase In atomic number. (a) Number of ... . (j) `Delta_"eg"H` (magnitude wise)
Description : What elements have 2 valence electron?
Last Answer : Zinc and Calcium
Description : What is the valence electron configuration for group 6a?
Last Answer : The elements in group 6a (16) have six valence electrons. The valence electron configuration is Xs2Xp4 , where X is the main energy level (period number).
Description : What element has the same valence electron configuration as phosphorus?
Last Answer : The answer is nitrogen. Nitrogen is one example of an elementthat has the same valence electron configuration asphosphorus.Ê
Description : What element has an atomic number lower than that of aluminum and one less valence electron than group 16 elements?
Last Answer : Nitrogen
Description : How does energy of core electrons compare with the energy of valence electron?
Last Answer : The energy is higher.
Description : Which electron has seven valence electrons?
Last Answer : Any element in the halogen group will have seven valence electrons. These elements include fluorine, chlorine, bromine, iodine, and astatine.
Description : What is the valence electron of sulphur?
Last Answer : 3
Description : What is difference between valence electron and free electron?
Last Answer : valence electrons are bound to atoms and are used to bind atoms into molecules. free electron are free, either they are in the conduction band "electron gas" of a metal or they are in a vacuum (perhaps in a vacuum tube).